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An unknown compound contains only carbon, hydrogen, and oxygen. Combustion analysis of a 1.893 gram sample...

An unknown compound contains only carbon, hydrogen, and oxygen. Combustion analysis of a 1.893 gram sample of the compound produced 5.545 grams of carbon dioxide and 1.388 grams of water. The 1.893-gram sample contained 7.002 x 10-3 moles. What is the molecular formula for this compound?

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