Question

When a sample of baking soda is strongly ignited in a crucible it suffered a loss in weight of 3.1g then the mass of baking soda is

Answer 1

Answer:

The loss in weight is due to water and carbon dioxide. 2 moles (2×84g) of sodium bicarbonate gives 1 mole (18g) of water and 1 mole of carbon dioxide (44g). The loss in weight of 3.