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Chemistry

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The active ingredient in a Tums® antacid tablet is calcium carbonate (CaCO 3, FM = 100.09), it neutralizes excess hydrochloric acid (HCl, FM = 36.46) in the stomach via the reaction CaCO 3 (s) + 2HCl(aq) → CaCl 2 (aq) + H 2 O(l) + CO 2 (g). A certain dose of Tums containing 750 mg of CaCO 3 is added to 25 mL of 0.100 M HCl. What is the volume of CO 2 generated under conditions of STP?

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