sweetblondy4 sweetblondy4

21-01-2017
Chemistry

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The boiling point of an aqueous solution is 102.08 °C. What is the freezing point? Constants can be found here.

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MissPhiladelphia MissPhiladelphia

31-01-2017

Colligative properties calculations are used for this type of problem. Calculations are as follows:

ΔT(freezing point) = (Kf)(molality)
ΔT(freezing point) = 1.86 °C kg / mol (molality)
Tf - 102.08 = 1.86m

Tf = 1.86m + 102.08

The concetration of the solution is needed in order to obtain a specific value.

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