Answered: A solution is made by mixing 100.0 g…

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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A solution is made by mixing 100.0 g acetone (CH3COCH3) and 100.0g methanol (CH3OH).

part 1. what is the vapor pressure of this solution at 25 C?

part 2: what is the composition of the vapor expressed as a mole fraction? Assume the ideal solution and gas behavior. (At 25 C the vapor pressures of pure acetone and pure methanol are 271 and 143 torrr, respectively.) The actual vapor pressure of this solution is 161 torr. explain discrepancies if any

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Step 1: Given data

Given:

$table row cell Amount space of space Acetone space end cell equals cell space 100 space straight g end cell row cell Amount space of space Methanol space end cell equals cell space 100 space straight g space end cell row cell Vapor space pressure space of space pure space Acetone space end cell equals cell space 271 space torr end cell row cell Vapor space pressure space of space pure space Methanol space end cell equals cell space 143 space torr space end cell row cell Vapor space pressure space of space the space solution space end cell equals cell space 161 torr space end cell row cell Temperature space end cell equals cell 25 degree straight C end cell end table$

Mole fraction is the ratio of the number of moles of a specific gas and the total number of moles of a mixture of gases present in the system.

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