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Colligative Properties: Calculating Molecular Weights

This program provides drill in Calculating the molecular weight from freezing and boiling points of solutions of nonelectrolytes.  The program will show the correct solution for incorrect answers.

Results Total Correct Score%

Click here for Freezing and Boiling Point Information

Web Author: Dr. Walter S. Hamilton

Freezing Point Depression and Boiling Point Elevation Constants

Solvent Normal Freezing Point,  oC Kf   oC m-1 Normal Boiling Point,  oC Kb   oC m-1
Acetic Acid        16.6  3.59 118.5 3.08
Benzene        5.46 5.07 80.2 2.61
Cyclohexane         6.55  20.0 80.7 2.79
Nitrobenzene, C6H5NO2        5.8   8.1     210.8 5.24
Water 0 1.86 100 0.512