Why the grams and moles of co2 gas are evolved


1.443 g sample of CaCO3 mixture is treated with Hydrochloricacid, evolving CO2 gas. After the reaction, the mixture has a massof 1.194 g.

a. How many grams and moles of CO2 gas are evolved?

b. How many moles and grams of CaCO3 are in the mixture?

c. What is the percent of CaCO3 in the mixture?

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Chemistry: Why the grams and moles of co2 gas are evolved
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