Question

10g of a mixture of sodium chloride and anhydrous sodium sulphate is dissolved in water.

Answer 1

The mass of carbon dioxide by 49 g of sulphuric acid [C = 12, rel. mol. Mass of H2SO4 = 98]The volume of sulphur dioxide measured at s.t.p., liberated at the same time. [Volume occupied by 1 mole of a gas at s.t.p is 22.4 dm3]. Hope this helps.