BUET Undergraduate Admission Main Written Examination

Practice session

Complete combustion of 2.90 g of a gaseous hydrocarbon in excess oxygen produces 8.80 g of CO₂ and 4.50 g of H₂O. Determine the empirical formula of the hydrocarbon. (C = 12.01 g/mol, H = 1.008 g/mol, O = 16.00 g/mol).

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