| Quiz | Number of moles of a compound |
|---|---|
| Name | |
| Result | PASSED |
| Score | 11 / 11 (100%) |
| Passing score | 8.8 |
| Quiz took | 12 min 08 sec |
| Quiz finished at | 2024-12-29 13:34:15 |
Calculate the number of moles in 56.43 g of aluminium sulfate, Al2(SO4)3 (Ar Al = 27, Ar S = 32, Ar O = 16)
Calculate the number of moles in 83.52 g of magnesium hydroxide, Mg(OH)2 (Ar Mg = 24, Ar O = 16, Ar H = 1)
Calculate the number of moles in 35.1 g of sodium chloride, NaCl (Ar Na = 23, Ar Cl = 35.5)
Calculate the number of moles in 77.844 g of copper(II) sulfate pentahydrate, CuSO4.5H2O (Ar Cu = 63.5, Ar S = 32, Ar O = 16, Ar H = 1)
Calculate the number of moles in 16.5 g of ammonium sulfate, (NH4)2SO4 (Ar N = 14, Ar H = 1, Ar S = 32, Ar O = 16)
Calculate the number of moles in 43.68 g of potassium hydroxide KOH (Ar K = 39, Ar O = 16, Ar H = 1)
Calculate the number of moles in 109.2 g of lithium fluoride LiF (Ar Li = 7, Ar F = 19)
Calculate the number of moles in 128.3 g of calcium carbonate, CaCO3 (Ar Ca = 40, Ar C = 12, Ar O = 16)
Calculate the number of moles in 248 g of sodium oxide Na2O (Ar Na = 23, Ar O = 16)
Calculate the number of moles in 102.48 g of hydrated barium chloride, BaCl2.2H2O (Ar Ba = 137, Ar Cl = 35.5, Ar H = 1, Ar O = 16)
Calculate the number of moles in 127.6 g of zinc iodide ZnI2 (Ar Zn = 65, Ar I = 127)