Answer to Question #332513 in General Chemistry for Thel

Question #332513

A solution of salt water raised the boiling point of water from 100°C to 102.5°C. What is the molality of the solution? Assume Kb of water is 0.51°C/m.

Expert's answer

deltaT = Cm x Kb

102.5 - 100 = Cm x 0.51

Cm = 2.5 / 0.51 = 4.9 m

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