At 25 C the vapor pressure of pure benzene is 93.9 torr . A solution of a
Question:
At 25 °C the vapor pressure of pure benzene is 93.9 torr . A solution of a nonvolatile solute in benzene has a vapor pressure of 91.5 torr at the same temperature. What is the concentration of the solute, expressed as its mole fraction?
Strategy
Determine the change in the vapor pressure of benzene. Use the vapor pressure concentration relationship from Raoult’s law and solve for mole fraction.
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Step by Step Answer:
From the data given the vaporpressure depression is AP 939 ...View the full answer
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Related Book For 
Chemistry Principles And Practice
ISBN: 9780534420123
3rd Edition
Authors: Daniel L. Reger, Scott R. Goode, David W. Ball
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