Tums calcium carbonate reactswith stomach acid ( HCI) according to the reaction below. One tablet of tums contains 500.0 mg CaCO3. If one tablet of tums is addedto 20.0 mL 0.100M HCI, how many grams of CO2 gas are produced?
CaCO3 (3)+2HCI(aq) CaCI2(aq)+ H2O(l)+CO2(g)