3. A solution of butanoic acid and water (81.6 % water by mass) is heated to 99.4 °C.. The vapor pressures of the pure substances at this temperature are 95 Torr and 744 Torr, respectively. You should assume that the acid does not dissociate appreciably under these conditions. (a). Determine the composition (mole fractions) of this solution. (b). Assuming the vapor behaves ideally, calculate the composition of the vapor in equilibrium with this solution. (c). This solution is actually an azeotrope that boils at 99.4 °C. Calculate the activity coefficie for the two species.

3. A solution of butanoic acid and water (81.6 % water by mass) is heated to 99.4 °C.. The vapor pressures of the pure substances at this temperature are 95 Torr and 744 Torr, respectively. You should assume that the acid does not dissociate appreciably under these conditions. (a). Determine the composition (mole fractions) of this solution. (b). Assuming the vapor behaves ideally, calculate the composition of the vapor in equilibrium with this solution. (c). This solution is actually an azeotrope that boils at 99.4 °C. Calculate the activity coefficie for the two species.

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 12.86QE

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