What Is the Freezing Point of a Solution Containing 2

question 44

Multiple Choice

What is the freezing point of a solution containing 2.80 grams benzene (molar mass = 78.11 g/mol) dissolved in 43.0 grams paradichlorobenzene (molar mass = 147.0 g/mol) ? The freezing point of pure paradichlorobenzene is 53.0 °C and the freezing point depression constant,K_fp,is -7.10 °C/m.

• A) 46.7 °C
• B) 47.1 °C
• C) 58.9 °C
• D) 52.6 °C
• E) 58.9 °C..

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