A Solution Is Prepared by Dissolving 2

Multiple Choice

A solution is prepared by dissolving 2.00 g of glycerin (C₃H₈O₃) in 201 g of ethanol (C₂H₅OH) . The freezing point of the solution is ________°C. The freezing point of pure ethanol is -114.6 °C at 1 atm. The molal-freezing-point-depression constant (K_f) for ethanol is 1.99 °C/m. The molar masses of glycerin and of ethanol are 92.1 g/mol and 46.1 g/mol, respectively.

A) -116.6
B) 0.215
C) -112.6
D) -114.4
E) -114.8