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A 1.00 g antacid tablet is treated with an excess of hydrochloric acid and 0.32 g carbon dioxide is produced. What percentage of the tablet is calcium carbonate?
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What does "in excess" mean?
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The first three steps of this problem are similiar to any stoichiometry problem. Work through the following steps. There is a table at the end of the page for you to enter your answers in.
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Click on formulas to see molecular weights.
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Step 1:Convert grams of product to moles of product.
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How do I convert grams to moles?
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Step 2:Calculate how many moles of the desired reactant would produce that amount of product using the balanced chemical equation.
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How do I convert a product to a reactant?
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Step 3:Convert moles of reactant to grams of reactant.
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How do I convert moles to grams?
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You can review the calculations for each CORRECT step above.
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