What Is the Freezing Point of a Solution Containing 2 $\circ$

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 ^$\circ$ C and the freezing point depression constant,K_fp,is -7.10 ^$\circ$ C/m.

A) 46.7 ^$\circ$ C
B) 47.1 ^$\circ$ C
C) 58.9 ^$\circ$ C
D) 52.6 ^$\circ$ C
E) 58 .9 ^$\circ$ C