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Colligative Porperties : Freezing Point Depression

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Salt lowers the freezing point of water. So will sugar. If one tablespoon of solid (salt or sugar) is dissolved in ¼ cup of water, which material, salt or sugar will lower the freezing point of the water by the greater amount? Why?

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Depression in freezing point can be given as:
ΔTf = Kf x mB

ΔTf, the freezing point depression
Kf, the cryoscopic constant, which is dependent on the properties of the solvent.
mB ...

Solution Summary

Explanation for freezing point depression- a comparison of sugar vs. salt solution