When 05000 Grams of an Unknown Hydrocarbon,C_xH_y,is Completely Combusted with Excess

question 52

Multiple Choice

When 0.5000 grams of an unknown hydrocarbon,C_xH_y,is completely combusted with excess oxygen,1.037 L CO₂ gas and is produced at 98.3 ^$\circ$ C and 1.000 atm.What is the empirical formula of the hydrocarbon? (R = 0.08206 L.atm/mol.K)

• A) CH
• B) CH₂
• C) C₂H₃
• D) C₃H₅
• E) C₃H₈

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