Question

When calcium carbonate reacts with hydrochloric acid, why is there a decrease in the mass of the product formed?

Answer 1

Explanation:

Hydrochloric acid reacts with calcium carbonate to form calcium chloride, carbon dioxide and water.

When hydrochloric acid reacts with any carbonates/hydrogen carbonates the products formed are metal chloride , water and carbon dioxide. Since HCl decomposes salts of weaker acids. This reaction is also known as double decomposition reaction.

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Answer 2

Answer:

Hydrochloric acid reacts with calcium carbonate to form calcium chloride, carbon dioxide and water.

Marble chips (calcium carbonate) were added to hydrochloric acid in a conical flask. The mass and size of marble chips, and the concentration and volume of hydrochloric acid used, were the same for both experiments.

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