The Principal Ingredient in Tums Antacid Tablets Is Calcium Carbonate,CaCO₃

question 31

Multiple Choice

The principal ingredient in Tums antacid tablets is calcium carbonate,CaCO₃.A single tablet contains 0.500 g CaCO₃.What volume of 0.2500 M HCl is required to titrate a tablet of Tums?
2H⁺(aq) + CO₃²⁻(aq) → H₂O(l) + CO₂(g)

• A) 0.0100 mL
• B) 0.0200 mL
• C) 10.0 mL
• D) 20.0 mL
• E) 40.0 mL

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