Properties of Acids and Bases Answers
The main acid in the stomach is hydrochloric acid (HCl). Which chemical equations show a reaction that occurs when someone takes an antacid? Check all that apply.
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Calcium carbonate acts as a base because it contains the carbonate ion (CO3^2), which can accept free hydrogen ions (H) from the stomach acid. When calcium carbonate reacts with hydrochloric acid in the stomach, it neutralizes the acid and produces water, calcium chloride, and carbon dioxide gas. Crushing or dissolving the antacid tablet before ingestion increases the surface area, which allows the reaction between the carbonate ions and the hydrogen ions to occur more quickly, providing faster relief.
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