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x y A 0.523 - g sample of an unknown hydrocarbon (CH) was bumed in air to give 1.612gCO, and 0.7425 HO. A separate

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x y A 0.523 - g sample of an unknown hydrocarbon (CH) was bumed in air to give 1.612gCO, and 0.7425 HO. A separate experiment (such as by mass spectrometry) gave a molar mass for C H of 11401. Determine the empirical and molecular formulas for the unknown hydrocarbon. m

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