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At 25 °C the vapor pressures of benzene (C6H6) and toluene (C>Hg) are 93.4 and 26.9 torr, respectively. A solution made by mixing 57.0 g of benzene and 79.0 g of toluene is prepared. At what applied pressure, in torr, will this solution boil?

At 25 °C the vapor pressures of benzene (C6H6) and toluene (C>Hg) are 93.4 and 26.9 torr, respectively. A solution made by mixing 57.0 g of benzene and 79.0 g of toluene is prepared. At what applied pressure, in torr, will this solution boil?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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At 25 °C the vapor pressures of benzene (C,Hs) and toluene (C,Hg) are 93.4 and 26.9 torr, respectively. A solution made by mixing 57.0 g of benzene and 79.0 g of toluene is prepared. At what applied pressure, in torr, will this solution boil? 60.9 Ptotal = torr Use correct number of significant digits;
Transcribed Image Text:At 25 °C the vapor pressures of benzene (C,Hs) and toluene (C,Hg) are 93.4 and 26.9 torr, respectively. A solution made by mixing 57.0 g of benzene and 79.0 g of toluene is prepared. At what applied pressure, in torr, will this solution boil? 60.9 Ptotal = torr Use correct number of significant digits;
Expert Solution
Step 1

Given data

The temperature is T=25oC

The partial pressure of the benzene is p1=93.4 torr

The partial pressure of the toluene is p2=26.9 torr

The mass of the benzene is m1=57.0 g

The mass of the toluene is m2=79.0 g

As per the law of partial pressure, the summation of the partial pressure is equal to the total pressure on the walls of the container.

This also follows the conservation of mass.

let p be the partial pressure of the solution.

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