50 g acetone (CH;COCH3) and 50 g methanol (CH3OH) are mixed to obtain a 100 g liquid solution at 25°C. Vapor pressures of acetone and methanol at 25°C are 271 mmHg and 143 mmHg, respectively. Assuming ideal mixing and evaporation behavior, calculate the followings: (a) Mole fractions of acetone and methanol in the solution. (b) Contribution of acetone and methanol to the total vapor pressure at 25°C. (c) The total vapor pressure at 25°C.

50 g acetone (CH;COCH3) and 50 g methanol (CH3OH) are mixed to obtain a 100 g liquid solution at 25°C. Vapor pressures of acetone and methanol at 25°C are 271 mmHg and 143 mmHg, respectively. Assuming ideal mixing and evaporation behavior, calculate the followings: (a) Mole fractions of acetone and methanol in the solution. (b) Contribution of acetone and methanol to the total vapor pressure at 25°C. (c) The total vapor pressure at 25°C.

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter12: Solutions

Section: Chapter Questions

Problem 12.84QE

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