# chemistry

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If tums is added to 20.0 mL of 0.400 M HCl solution, how many grams of CO2 gas are produced?

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How many grams Tums do you have? What is the percent CaCO3/Mg(OH)2/ whatever. If HCl is the limiting reagent there will be moles HCl = M x L = 0.008
moles CaCO3 = 1/2 x 0.008 = 0.004
L CO2 at STP = moles x 22.4 L/mol = ??

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