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The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 695.0 torr at 64.7°C. What is the mole fraction of methanol in this solution? Mole fraction of methanol =

The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 695.0 torr at 64.7°C. What is the mole fraction of methanol in this solution? Mole fraction of methanol =

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter10: Properties Of Solutions
Section: Chapter Questions
Problem 54E: At a certain temperature, the vapor pressure of pure benzene (C6H6) is 0.930 atm. A solution was...
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The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 695.0 torr at 64.7°C. What is the mole fraction of methanol in this solution? Mole fraction ofmethanol =
Transcribed Image Text:The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 695.0 torr at 64.7°C. What is the mole fraction of methanol in this solution? Mole fraction ofmethanol =
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Step 1 Introduction interpretation

Interpretation-

To determine the mole fraction of the methanol when the normal boiling point of methanol is 64.7oC . A solution containing a nonvolatile solute dissolved in methanol has vapor pressure of 695 torr at 64.7oC .

 

Concept-  

To determine the mole fraction of the methanol in a nonvolatile solution we use the formula that is - 

                                                               Psolution   =  Xmethanol  Po 

Where- 

Psolution - Pressure of solution 

Po  -  Vapor pressure of pure methanol that is = 760 Torr

Xmethanol  -  Mole fraction of methanol 

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