Chemistry Practice Problems Freezing Point Depression Practice Problems Solution: Determine the freezing point depression of a solut...

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Solution: Determine the freezing point depression of a solution that contains 30.7 g glycerin (C3H8O3, molar mass = 92.09 g/mol) in 376 mL of water.  Some possibly useful constants for water are Kf = 1.86°C/m and Kb = 0.512°C/m. A) 3.33°C       B) -3.33°C       C) 0.654°C       D) -1.65°C       E) 0.887°C 

Problem

Determine the freezing point depression of a solution that contains 30.7 g glycerin (C3H8O3, molar mass = 92.09 g/mol) in 376 mL of water.  Some possibly useful constants for water are Kf = 1.86°C/m and Kb = 0.512°C/m.

A) 3.33°C      

B) -3.33°C      

C) 0.654°C      

D) -1.65°C      

E) 0.887°C