Multiple ChoiceWhich of the following is the correct molar mass of calcium carbonate (CaCO_3)?36views
Multiple ChoiceCalculating molar mass: The mass of 1 mole of sodium chloride, NaCl, is closest to which value? (Use atomic masses Na≈22.99 and Cl≈35.45.)2views
Multiple ChoiceThe reaction between nickel metal and hydrochloric acid is not a simple dissolution. The product formed is NiCl2 • 6 H2O (s), nickel (II) chloride hexahydrate, which has exactly 6 waters of hydration in the crystal lattice for every nickel ion. What is the molar mass of nickel (II) chloride hexahydrate, NiCl2 • 6 H2O (s)?4387views19rank1comments
Multiple ChoiceWhat is the molar mass of diazepam also known as Valium if 0.05570 mol weighs 15.86 g?3029views22rank1comments