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The following reaction is used in some labs to produce greenhouse gas: CaCO3(s) + 2HCl(aq) ? CaCl2(aq) + H2O(l) + CO2(g) a) (6 pts) In an experiment 25.0 mL of 1.00M HCl and 1.73g of CaCO3 were used. How much CO2 in grams can form? Show your work: Answer: ____________ g b) (6 pts) In another experiment CO2 gas was collected over water. Its volume measured at 20.0 oC and 750. mm Hg was 0.153L. What is the percent yield of CO2 if the expected theoretical yield is 8.11·10-3 mol? Vapor pressure of water at 20.0 oC is 17.55 mmHg

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