Question

 

Calcium carbonate (CaCO3) reacts with stomach acid (HCl, hydrochloric acid) according to the following equation:

CaCO3(s)+2HCl(aq)CO2(g)+H2O(l)+CaCl2(aq)

Tums, an antacid, contains CaCO3. If Tums is added to 15.0 mL of a solution that is 0.500 M in HCl, how many grams of CO2 gas are produced?
Express the mass to three significant figures and include the appropriate units.

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