The Percent Composition by Mass of an Unknown Chlorinated Hydrocarbon

question 174

Multiple Choice

The percent composition by mass of an unknown chlorinated hydrocarbon was found to be 37.83% C, 6.35% H, and 55.83% Cl by mass. What is the empirical formula of this compound

• A) C₂H₄Cl
• B) C₃H₇Cl
• C) C₃H₆Cl₂
• D) C₄H₉Cl
• E) C₅H₁₁Cl

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