4.5 According to the following experimental data
Mass of glycerin dissolved in water, g 0.9330 0.5788 1.0120
Mass of water, g 50 40 100
Freezing point of the solution, С -0.3758 -0.2920 -0.2046
find the average value of the cryoscopic constant of water. Compare the resulting value with that calculated from the physical properties of water. The specific heat of melting of ice is 333.7 J/g.

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