id int64 1 14M | domain stringclasses 6
values | topic stringclasses 23
values | subtopic stringclasses 37
values | difficulty int64 1 8 | unit_type stringclasses 3
values | title stringlengths 14 86 | content stringlengths 203 553 | key_equations stringclasses 23
values | prerequisites stringclasses 29
values | learning_objective stringclasses 37
values |
|---|---|---|---|---|---|---|---|---|---|---|
901 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of H2SO4 from mass 81.67 g | The molar mass of H2SO4 is 98.07 g/mol. A sample of mass 81.67 g therefore contains n = m / M = 81.67 / 98.07 = 0.8327 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
902 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 36.57 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 36.57 g therefore contains n = m / M = 36.57 / 16.04 = 2.279 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
903 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CuSO4 from mass 20.06 g | The molar mass of CuSO4 is 159.6 g/mol. A sample of mass 20.06 g therefore contains n = m / M = 20.06 / 159.6 = 0.1257 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
904 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of Fe2O3 from mass 18.07 g | The molar mass of Fe2O3 is 159.7 g/mol. A sample of mass 18.07 g therefore contains n = m / M = 18.07 / 159.7 = 0.1132 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
905 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of Fe2O3 from mass 2.789 g | The molar mass of Fe2O3 is 159.7 g/mol. A sample of mass 2.789 g therefore contains n = m / M = 2.789 / 159.7 = 0.01746 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
906 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CaCO3 from mass 94.3 g | The molar mass of CaCO3 is 100.1 g/mol. A sample of mass 94.3 g therefore contains n = m / M = 94.3 / 100.1 = 0.9422 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
907 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of C6H12O6 from mass 43.9 g | The molar mass of C6H12O6 is 180.2 g/mol. A sample of mass 43.9 g therefore contains n = m / M = 43.9 / 180.2 = 0.2437 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
908 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of H2SO4 from mass 83.15 g | The molar mass of H2SO4 is 98.07 g/mol. A sample of mass 83.15 g therefore contains n = m / M = 83.15 / 98.07 = 0.8478 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
909 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CO2 from mass 81.91 g | The molar mass of CO2 is 44.01 g/mol. A sample of mass 81.91 g therefore contains n = m / M = 81.91 / 44.01 = 1.861 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
910 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 67.33 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 67.33 g therefore contains n = m / M = 67.33 / 16.04 = 4.197 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
911 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NaCl from mass 63.37 g | The molar mass of NaCl is 58.44 g/mol. A sample of mass 63.37 g therefore contains n = m / M = 63.37 / 58.44 = 1.084 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
912 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of C6H12O6 from mass 25.34 g | The molar mass of C6H12O6 is 180.2 g/mol. A sample of mass 25.34 g therefore contains n = m / M = 25.34 / 180.2 = 0.1407 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
913 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NaCl from mass 71.55 g | The molar mass of NaCl is 58.44 g/mol. A sample of mass 71.55 g therefore contains n = m / M = 71.55 / 58.44 = 1.224 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
914 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 7.489 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 7.489 g therefore contains n = m / M = 7.489 / 16.04 = 0.4668 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
915 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CuSO4 from mass 47.98 g | The molar mass of CuSO4 is 159.6 g/mol. A sample of mass 47.98 g therefore contains n = m / M = 47.98 / 159.6 = 0.3006 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
916 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 53.48 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 53.48 g therefore contains n = m / M = 53.48 / 16.04 = 3.334 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
917 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 54.41 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 54.41 g therefore contains n = m / M = 54.41 / 16.04 = 3.392 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
918 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NH3 from mass 70.19 g | The molar mass of NH3 is 17.03 g/mol. A sample of mass 70.19 g therefore contains n = m / M = 70.19 / 17.03 = 4.121 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
919 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of Fe2O3 from mass 59.42 g | The molar mass of Fe2O3 is 159.7 g/mol. A sample of mass 59.42 g therefore contains n = m / M = 59.42 / 159.7 = 0.3721 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
920 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CO2 from mass 11.03 g | The molar mass of CO2 is 44.01 g/mol. A sample of mass 11.03 g therefore contains n = m / M = 11.03 / 44.01 = 0.2505 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
921 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of C6H12O6 from mass 65.79 g | The molar mass of C6H12O6 is 180.2 g/mol. A sample of mass 65.79 g therefore contains n = m / M = 65.79 / 180.2 = 0.3652 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
922 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NH3 from mass 16.72 g | The molar mass of NH3 is 17.03 g/mol. A sample of mass 16.72 g therefore contains n = m / M = 16.72 / 17.03 = 0.9816 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
923 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CuSO4 from mass 4.525 g | The molar mass of CuSO4 is 159.6 g/mol. A sample of mass 4.525 g therefore contains n = m / M = 4.525 / 159.6 = 0.02835 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
924 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 96.68 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 96.68 g therefore contains n = m / M = 96.68 / 16.04 = 6.027 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
925 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NH3 from mass 96.58 g | The molar mass of NH3 is 17.03 g/mol. A sample of mass 96.58 g therefore contains n = m / M = 96.58 / 17.03 = 5.671 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
926 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 10.68 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 10.68 g therefore contains n = m / M = 10.68 / 16.04 = 0.666 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
927 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CO2 from mass 25.95 g | The molar mass of CO2 is 44.01 g/mol. A sample of mass 25.95 g therefore contains n = m / M = 25.95 / 44.01 = 0.5896 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
928 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of Fe2O3 from mass 74.71 g | The molar mass of Fe2O3 is 159.7 g/mol. A sample of mass 74.71 g therefore contains n = m / M = 74.71 / 159.7 = 0.4679 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
929 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of Fe2O3 from mass 58.09 g | The molar mass of Fe2O3 is 159.7 g/mol. A sample of mass 58.09 g therefore contains n = m / M = 58.09 / 159.7 = 0.3638 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
930 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CuSO4 from mass 22.18 g | The molar mass of CuSO4 is 159.6 g/mol. A sample of mass 22.18 g therefore contains n = m / M = 22.18 / 159.6 = 0.139 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
931 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NH3 from mass 39.17 g | The molar mass of NH3 is 17.03 g/mol. A sample of mass 39.17 g therefore contains n = m / M = 39.17 / 17.03 = 2.3 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
932 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CuSO4 from mass 69.07 g | The molar mass of CuSO4 is 159.6 g/mol. A sample of mass 69.07 g therefore contains n = m / M = 69.07 / 159.6 = 0.4328 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
933 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NaCl from mass 34.56 g | The molar mass of NaCl is 58.44 g/mol. A sample of mass 34.56 g therefore contains n = m / M = 34.56 / 58.44 = 0.5914 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
934 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of H2O from mass 48.33 g | The molar mass of H2O is 18.02 g/mol. A sample of mass 48.33 g therefore contains n = m / M = 48.33 / 18.02 = 2.683 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
935 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of H2SO4 from mass 41.66 g | The molar mass of H2SO4 is 98.07 g/mol. A sample of mass 41.66 g therefore contains n = m / M = 41.66 / 98.07 = 0.4247 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
936 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CO2 from mass 11.7 g | The molar mass of CO2 is 44.01 g/mol. A sample of mass 11.7 g therefore contains n = m / M = 11.7 / 44.01 = 0.2657 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
937 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NaCl from mass 34.9 g | The molar mass of NaCl is 58.44 g/mol. A sample of mass 34.9 g therefore contains n = m / M = 34.9 / 58.44 = 0.5972 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
938 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NH3 from mass 45.59 g | The molar mass of NH3 is 17.03 g/mol. A sample of mass 45.59 g therefore contains n = m / M = 45.59 / 17.03 = 2.677 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
939 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of C6H12O6 from mass 52.16 g | The molar mass of C6H12O6 is 180.2 g/mol. A sample of mass 52.16 g therefore contains n = m / M = 52.16 / 180.2 = 0.2895 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
940 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NH3 from mass 47.67 g | The molar mass of NH3 is 17.03 g/mol. A sample of mass 47.67 g therefore contains n = m / M = 47.67 / 17.03 = 2.799 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
941 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CaCO3 from mass 72.23 g | The molar mass of CaCO3 is 100.1 g/mol. A sample of mass 72.23 g therefore contains n = m / M = 72.23 / 100.1 = 0.7217 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
942 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CaCO3 from mass 31.96 g | The molar mass of CaCO3 is 100.1 g/mol. A sample of mass 31.96 g therefore contains n = m / M = 31.96 / 100.1 = 0.3193 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
943 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of H2SO4 from mass 4.564 g | The molar mass of H2SO4 is 98.07 g/mol. A sample of mass 4.564 g therefore contains n = m / M = 4.564 / 98.07 = 0.04654 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
944 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CO2 from mass 2.356 g | The molar mass of CO2 is 44.01 g/mol. A sample of mass 2.356 g therefore contains n = m / M = 2.356 / 44.01 = 0.05354 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
945 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NH3 from mass 64.83 g | The molar mass of NH3 is 17.03 g/mol. A sample of mass 64.83 g therefore contains n = m / M = 64.83 / 17.03 = 3.807 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
946 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NaCl from mass 93 g | The molar mass of NaCl is 58.44 g/mol. A sample of mass 93 g therefore contains n = m / M = 93 / 58.44 = 1.591 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
947 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of C6H12O6 from mass 51.65 g | The molar mass of C6H12O6 is 180.2 g/mol. A sample of mass 51.65 g therefore contains n = m / M = 51.65 / 180.2 = 0.2867 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
948 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of Fe2O3 from mass 16.1 g | The molar mass of Fe2O3 is 159.7 g/mol. A sample of mass 16.1 g therefore contains n = m / M = 16.1 / 159.7 = 0.1008 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
949 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of Fe2O3 from mass 42.69 g | The molar mass of Fe2O3 is 159.7 g/mol. A sample of mass 42.69 g therefore contains n = m / M = 42.69 / 159.7 = 0.2674 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
950 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CaCO3 from mass 23.26 g | The molar mass of CaCO3 is 100.1 g/mol. A sample of mass 23.26 g therefore contains n = m / M = 23.26 / 100.1 = 0.2324 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
951 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 63.01 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 63.01 g therefore contains n = m / M = 63.01 / 16.04 = 3.928 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
952 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NaCl from mass 64.08 g | The molar mass of NaCl is 58.44 g/mol. A sample of mass 64.08 g therefore contains n = m / M = 64.08 / 58.44 = 1.097 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
953 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 39.62 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 39.62 g therefore contains n = m / M = 39.62 / 16.04 = 2.47 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
954 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CuSO4 from mass 88.32 g | The molar mass of CuSO4 is 159.6 g/mol. A sample of mass 88.32 g therefore contains n = m / M = 88.32 / 159.6 = 0.5534 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
955 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CaCO3 from mass 59.26 g | The molar mass of CaCO3 is 100.1 g/mol. A sample of mass 59.26 g therefore contains n = m / M = 59.26 / 100.1 = 0.5921 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
956 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 0.5446 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 0.5446 g therefore contains n = m / M = 0.5446 / 16.04 = 0.03394 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
957 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of C6H12O6 from mass 20.66 g | The molar mass of C6H12O6 is 180.2 g/mol. A sample of mass 20.66 g therefore contains n = m / M = 20.66 / 180.2 = 0.1147 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
958 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CO2 from mass 57.78 g | The molar mass of CO2 is 44.01 g/mol. A sample of mass 57.78 g therefore contains n = m / M = 57.78 / 44.01 = 1.313 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
959 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of Fe2O3 from mass 18.78 g | The molar mass of Fe2O3 is 159.7 g/mol. A sample of mass 18.78 g therefore contains n = m / M = 18.78 / 159.7 = 0.1176 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
960 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NH3 from mass 19.79 g | The molar mass of NH3 is 17.03 g/mol. A sample of mass 19.79 g therefore contains n = m / M = 19.79 / 17.03 = 1.162 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
961 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CO2 from mass 26.31 g | The molar mass of CO2 is 44.01 g/mol. A sample of mass 26.31 g therefore contains n = m / M = 26.31 / 44.01 = 0.5978 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
962 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CaCO3 from mass 52.82 g | The molar mass of CaCO3 is 100.1 g/mol. A sample of mass 52.82 g therefore contains n = m / M = 52.82 / 100.1 = 0.5277 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
963 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NH3 from mass 59.74 g | The molar mass of NH3 is 17.03 g/mol. A sample of mass 59.74 g therefore contains n = m / M = 59.74 / 17.03 = 3.508 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
964 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CuSO4 from mass 39.32 g | The molar mass of CuSO4 is 159.6 g/mol. A sample of mass 39.32 g therefore contains n = m / M = 39.32 / 159.6 = 0.2463 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
965 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CO2 from mass 34.86 g | The molar mass of CO2 is 44.01 g/mol. A sample of mass 34.86 g therefore contains n = m / M = 34.86 / 44.01 = 0.7921 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
966 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CaCO3 from mass 61.77 g | The molar mass of CaCO3 is 100.1 g/mol. A sample of mass 61.77 g therefore contains n = m / M = 61.77 / 100.1 = 0.6172 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
967 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of H2SO4 from mass 91.88 g | The molar mass of H2SO4 is 98.07 g/mol. A sample of mass 91.88 g therefore contains n = m / M = 91.88 / 98.07 = 0.9368 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
968 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CuSO4 from mass 8.567 g | The molar mass of CuSO4 is 159.6 g/mol. A sample of mass 8.567 g therefore contains n = m / M = 8.567 / 159.6 = 0.05368 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
969 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NaCl from mass 31.39 g | The molar mass of NaCl is 58.44 g/mol. A sample of mass 31.39 g therefore contains n = m / M = 31.39 / 58.44 = 0.5371 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
970 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of C6H12O6 from mass 30.61 g | The molar mass of C6H12O6 is 180.2 g/mol. A sample of mass 30.61 g therefore contains n = m / M = 30.61 / 180.2 = 0.1699 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
971 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NaCl from mass 37.39 g | The molar mass of NaCl is 58.44 g/mol. A sample of mass 37.39 g therefore contains n = m / M = 37.39 / 58.44 = 0.6399 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
972 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NaCl from mass 51.13 g | The molar mass of NaCl is 58.44 g/mol. A sample of mass 51.13 g therefore contains n = m / M = 51.13 / 58.44 = 0.8749 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
973 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 59.68 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 59.68 g therefore contains n = m / M = 59.68 / 16.04 = 3.72 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
974 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CuSO4 from mass 38.43 g | The molar mass of CuSO4 is 159.6 g/mol. A sample of mass 38.43 g therefore contains n = m / M = 38.43 / 159.6 = 0.2408 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
975 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NaCl from mass 48.72 g | The molar mass of NaCl is 58.44 g/mol. A sample of mass 48.72 g therefore contains n = m / M = 48.72 / 58.44 = 0.8336 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
976 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of Fe2O3 from mass 69.37 g | The molar mass of Fe2O3 is 159.7 g/mol. A sample of mass 69.37 g therefore contains n = m / M = 69.37 / 159.7 = 0.4344 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
977 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NaCl from mass 55.54 g | The molar mass of NaCl is 58.44 g/mol. A sample of mass 55.54 g therefore contains n = m / M = 55.54 / 58.44 = 0.9503 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
978 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CaCO3 from mass 28.95 g | The molar mass of CaCO3 is 100.1 g/mol. A sample of mass 28.95 g therefore contains n = m / M = 28.95 / 100.1 = 0.2893 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
979 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NaCl from mass 31.53 g | The molar mass of NaCl is 58.44 g/mol. A sample of mass 31.53 g therefore contains n = m / M = 31.53 / 58.44 = 0.5395 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
980 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CaCO3 from mass 61.98 g | The molar mass of CaCO3 is 100.1 g/mol. A sample of mass 61.98 g therefore contains n = m / M = 61.98 / 100.1 = 0.6193 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
981 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NH3 from mass 95.19 g | The molar mass of NH3 is 17.03 g/mol. A sample of mass 95.19 g therefore contains n = m / M = 95.19 / 17.03 = 5.589 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
982 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CaCO3 from mass 13.74 g | The molar mass of CaCO3 is 100.1 g/mol. A sample of mass 13.74 g therefore contains n = m / M = 13.74 / 100.1 = 0.1373 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
983 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 96.39 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 96.39 g therefore contains n = m / M = 96.39 / 16.04 = 6.008 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
984 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of Fe2O3 from mass 65.34 g | The molar mass of Fe2O3 is 159.7 g/mol. A sample of mass 65.34 g therefore contains n = m / M = 65.34 / 159.7 = 0.4092 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
985 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 68.5 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 68.5 g therefore contains n = m / M = 68.5 / 16.04 = 4.27 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
986 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 71.04 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 71.04 g therefore contains n = m / M = 71.04 / 16.04 = 4.428 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
987 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CaCO3 from mass 48.92 g | The molar mass of CaCO3 is 100.1 g/mol. A sample of mass 48.92 g therefore contains n = m / M = 48.92 / 100.1 = 0.4888 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
988 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CO2 from mass 56.58 g | The molar mass of CO2 is 44.01 g/mol. A sample of mass 56.58 g therefore contains n = m / M = 56.58 / 44.01 = 1.286 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
989 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of C6H12O6 from mass 29.28 g | The molar mass of C6H12O6 is 180.2 g/mol. A sample of mass 29.28 g therefore contains n = m / M = 29.28 / 180.2 = 0.1625 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
990 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of H2SO4 from mass 22.56 g | The molar mass of H2SO4 is 98.07 g/mol. A sample of mass 22.56 g therefore contains n = m / M = 22.56 / 98.07 = 0.2301 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
991 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of H2SO4 from mass 16.9 g | The molar mass of H2SO4 is 98.07 g/mol. A sample of mass 16.9 g therefore contains n = m / M = 16.9 / 98.07 = 0.1724 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
992 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CaCO3 from mass 56.61 g | The molar mass of CaCO3 is 100.1 g/mol. A sample of mass 56.61 g therefore contains n = m / M = 56.61 / 100.1 = 0.5656 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
993 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CaCO3 from mass 55.02 g | The molar mass of CaCO3 is 100.1 g/mol. A sample of mass 55.02 g therefore contains n = m / M = 55.02 / 100.1 = 0.5497 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
994 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CO2 from mass 57.31 g | The molar mass of CO2 is 44.01 g/mol. A sample of mass 57.31 g therefore contains n = m / M = 57.31 / 44.01 = 1.302 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
995 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of H2SO4 from mass 77.53 g | The molar mass of H2SO4 is 98.07 g/mol. A sample of mass 77.53 g therefore contains n = m / M = 77.53 / 98.07 = 0.7906 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
996 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of NH3 from mass 54.25 g | The molar mass of NH3 is 17.03 g/mol. A sample of mass 54.25 g therefore contains n = m / M = 54.25 / 17.03 = 3.185 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
997 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of H2O from mass 76.02 g | The molar mass of H2O is 18.02 g/mol. A sample of mass 76.02 g therefore contains n = m / M = 76.02 / 18.02 = 4.22 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
998 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CaCO3 from mass 54.68 g | The molar mass of CaCO3 is 100.1 g/mol. A sample of mass 54.68 g therefore contains n = m / M = 54.68 / 100.1 = 0.5463 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
999 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of CH4 from mass 10.33 g | The molar mass of CH4 is 16.04 g/mol. A sample of mass 10.33 g therefore contains n = m / M = 10.33 / 16.04 = 0.644 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
1,000 | chemistry | stoichiometry | mole_concept | 3 | worked_example | Moles of C6H12O6 from mass 29.84 g | The molar mass of C6H12O6 is 180.2 g/mol. A sample of mass 29.84 g therefore contains n = m / M = 29.84 / 180.2 = 0.1656 mol. The mole is the SI unit for amount of substance and links macroscopic mass to number of entities via Avogadro's constant. | n = m / M | atomic masses; chemical formulas | Convert between mass and moles for a pure compound. |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.