Chemistry 1201

When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the reaction
CaCO3(s)->CaO(s)+CO2(g)

What is the mass of calcium carbonate needed to produce 53 L of carbon dioxide at STP?

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  1. You do this the same way as the butane/CO2 problem above.

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  2. 2.3

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  3. The decomposition of 3.32 g CaCO3 results in an actual yield of 1.24 g of CaO. What is the percent yield of calcium oxide for this reaction?

    CaCO3(s) → CaO(s) + CO2(g)

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