Calcium Carbonate Is Used in Many Antacid Tablets Because It

question 56

Multiple Choice

Calcium carbonate is used in many antacid tablets because it reacts with HCl, the primary acid in the stomach, to produce water, calcium chloride, and carbon dioxide. At 37°C and 760 torr, what volume of CO₂ is produced when a person consumes an antacid tablet containing 500.0 mg of CaCO₃ to eliminate excess stomach acid? Assume acid is in excess of the carbonate. (R = 0.08206 L^.atm/K^. mol)

• A) 17 ml
• B) 30 ml
• C) 1300 ml
• D) 130 ml
• E) 150 ml

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