O GASES, LIQUIDS, AND SOLIDS DE Solving for a gaseous reactant Ancient Romans built often out of bricks and mortar. A key ingredient in their mortar was quicklime (calcium oxide), which they produced by roasting limestone (calcium carbonate). 1. Write a balanced chemical equation, including physical state symbols, for the decomposition of solid calcium carbonate (CaCO2) into solid calcium oxide and gaseous carbon dioxide. x10 2. Suppose 88.0 L of carbon dioxide gas are produced by this reaction, at a temperature of 300.0 °C and pressure of exactly 1 atm. Calculate the mass of calcium carbonate that must have reacted. Round your answer to 3 significant digits. Check Explanation O 2019 McGraw-Hill Education. All Rights Reserved. Terms of Use II

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