A Mixture Contained No Fluorine Compound Except Methyl Fluoroacetate, FCH₂COOCH₃

question 42

Multiple Choice

A mixture contained no fluorine compound except methyl fluoroacetate, FCH₂COOCH₃ (molar mass = 92.1 g/mol. When chemically treated, all the fluorine was converted to CaF₂ (molar mass = 78.1 g/mol) . The mass of CaF₂ obtained was 12.1 g. Find the mass of methyl fluoroacetate in the original mixture.

• A) 28.5 g
• B) 92.0 g
• C) 14.3 g
• D) 24.2 g
• E) 12.1 g