The vapor pressures of pure compounds A and B at 25.00 °C are 70.8 torr and 88.6 torr, respectively. What is the total vapor pressure (in torr) above a solution with the molar ratio of A to B is equal to exactly 3:2?

Chemistry
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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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Question 3
The vapor pressures of pure compounds A
and B at 25.00 °C are 70.8 torr and 88.6 torr,
respectively. What is the total vapor
pressure (in torr) above a solution with the
molar ratio of A to Bis equal to exactly 3:2?
Question 4
What is the mole fraction of benzene in the
liquid phase of a mixture of benzene and
toluene which at 20 °C has the total vapor
pressure equal to 49.4 torr? (At 20 °C the
vapor pressure of pure benzene is 75.0 torr,
and the vapor pressure of pure toluene is
21.8 torr.)
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Transcribed Image Text:Question 3 The vapor pressures of pure compounds A and B at 25.00 °C are 70.8 torr and 88.6 torr, respectively. What is the total vapor pressure (in torr) above a solution with the molar ratio of A to Bis equal to exactly 3:2? Question 4 What is the mole fraction of benzene in the liquid phase of a mixture of benzene and toluene which at 20 °C has the total vapor pressure equal to 49.4 torr? (At 20 °C the vapor pressure of pure benzene is 75.0 torr, and the vapor pressure of pure toluene is 21.8 torr.) Filters
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