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At 25 °C the vapor pressures of benzene (C,H) and toluene (C7Ha) are 93.4 and 26.9 torr, respectively. A solution made by mixing 70.0 g of benzene and 69.0g of toluene is prepared. At what applied pressure, in torr, will this solution boil? Ptotal = torr eTextbook and Media Save for Later Attempts: 0 of 15 used Submit Answer

At 25 °C the vapor pressures of benzene (C,H) and toluene (C7Ha) are 93.4 and 26.9 torr, respectively. A solution made by mixing 70.0 g of benzene and 69.0g of toluene is prepared. At what applied pressure, in torr, will this solution boil? Ptotal = torr eTextbook and Media Save for Later Attempts: 0 of 15 used Submit Answer

Chemistry
Chemistry
10th Edition
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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Attempt in Progress At 25 °C the vapor pressures of benzene (C,H,) and toluene (CH3) are 93.4 and 26.9 torr, respectively. A solution made by mixing 70.0 g of benzene and 69.0 g of toluene is prepared. At what applied pressure, in torr, will this solution boil? Ptotal torr eTextbook and Media Save for Later Attempts: 0 of 15 used Submit Answer S ... MacBook Air DII DD F7 F10 24 &
Transcribed Image Text:Attempt in Progress At 25 °C the vapor pressures of benzene (C,H,) and toluene (CH3) are 93.4 and 26.9 torr, respectively. A solution made by mixing 70.0 g of benzene and 69.0 g of toluene is prepared. At what applied pressure, in torr, will this solution boil? Ptotal torr eTextbook and Media Save for Later Attempts: 0 of 15 used Submit Answer S ... MacBook Air DII DD F7 F10 24 &
Expert Solution
Step 1

As per Raoult's law, the total vapour pressure of the solution at any temperature is equal to the mole fraction of components multiplied by the pure vapour pressure of components. 

If XA and XB are the mole fraction and P0A and P0B are the mole fraction and pure vapour pressures of two components in a solution respectively, then total vapour pressure of solution ( Ptotal ) is given by, 

Ptotal  =  XA. P0A  +  XB. P0B 

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