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OpenStudy (anonymous):
Marble (calcium carbonate) reacts with hydrochloric acid solution to form calcium chloride solution, water, and carbon dioxide. What is the percent yield of carbon dioxide if 3.65 g of the gas is collected when 10.0 g of marble reacts?
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OpenStudy (jfraser):
You should always try to start with a balanced chemical reaction first. Can you turn those names into formulas and balance?
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