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The percentage composition of this compound was found to be 40.00% calcium, 11.99% carbon, and 48.01% oxygen. The molar mass of the unknown compound is 100.09 g/mol.
1. Find the empirical and molecular formulae for the unknown compound (substance X). What is the name of this compound?
2. To test for the presence of substance X, a lab assistant, Alex, treats a sample of the material with hydrochloric acid. Bubbles of carbon dioxide gas are observed and collected during the test reaction. balanced chemical equation for the reaction.
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