Problem: A 6.54 g sample of a mixture of magnesium carbonate and calcium carbonate is treated with excess hydrochloric acid. The resulting reaction produces 1.73 L of carbon dioxide gas at 28 oC and 744 torr pressure.Write balanced chemical equation for the reaction that occur between hydrochloric acid and calcium carbonate.

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reactant

hydrochloric acid: HCl (aq) → H+ (aq) + Cl- (aq)

calcium carbonate: CaCO3 (s) → Ca2+ (aq) + CO32- (aq)


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Problem Details

A 6.54 g sample of a mixture of magnesium carbonate and calcium carbonate is treated with excess hydrochloric acid. The resulting reaction produces 1.73 L of carbon dioxide gas at 28 oC and 744 torr pressure.

Write balanced chemical equation for the reaction that occur between hydrochloric acid and calcium carbonate.

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