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1. Complete combustion of 3.90 g of a hydrocarbon produced 12.0 g of CO2 and 5.54 g of H2O. What is the empirical formula for the hydrocarbon?

2. A compound is 54.53% C, 9.15% H, and 36.32% O by mass. A. What is its empirical formula? The molecular mass of the compound is 132 amu. B. What is the molecular formula?

3. What is the empirical formula of a compound composed of 3.25% hydrogen (H), 19.36% carbon (C), and 77.39% oxygen (O) by mass?

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  • Category:- Chemistry
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