Part AA solution contains 0.154 mol NaCl and 0.957 mol HO. Calculate the vapor pressure of the solution at 55 C.The vapor pressure of pure water at 55 C is 118.1 torr. (Assume that the solute completely dissociates.)Express your answer with the appropriate units.P(solution)Valuetorr

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Part A
A solution contains 0.154 mol NaCl and 0.957 mol HO. Calculate the vapor pressure of the solution at 55 C.
The vapor pressure of pure water at 55 C is 118.1 torr. (Assume that the solute completely dissociates.)
Express your answer with the appropriate units.
P(solution)
Value
torr

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The given problem is based on the relative lowering in vapour pressure which is explained on the basis of Raoult's law. It states that the lowering in vapour pressure of the solutions containing non-volatile solute is directly proportional to the mole fraction of solute.

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