O The boiling point diagram for a mixture of benzene and toluene is shown below.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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need help with part a,b,c

1) The boiling point diagram for a mixture of benzene and toluene is shown below.
Temperature (°C)
110
100
90
80
70
0
1
Mole fraction toluene
Mole fraction benzene
0
a) What is the initial boiling point of a solution that contains 50% toluene and 50% benzene?
b) What is percent composition of the vapors directly above the solution from (a)?
c) What is the approximate composition of the liquid solution if its vapors consist of 20% toluene and 80%
benzene?
Transcribed Image Text:1) The boiling point diagram for a mixture of benzene and toluene is shown below. Temperature (°C) 110 100 90 80 70 0 1 Mole fraction toluene Mole fraction benzene 0 a) What is the initial boiling point of a solution that contains 50% toluene and 50% benzene? b) What is percent composition of the vapors directly above the solution from (a)? c) What is the approximate composition of the liquid solution if its vapors consist of 20% toluene and 80% benzene?
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