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an unknown compound was analyzed and found to contain 75.0% carbon, 5.05% hydrogen, and 20.0% oxygen by mass. the molar mass of the compound was also determined experimentally and was found to be 240.28g/mol. What is the empirical and molecular formula of the compound?

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Answer:

When a compound's formula is unknown, measuring the mass of each of its ... For example, consider a gaseous compound composed solely of carbon and hydrogen. ... To calculate percent composition, we divide the experimentally derived mass ... compound containing only carbon, oxygen, and chlorine is determined to ...

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