A mixture of toluene and benzene boils at `100^(@)C`. Assuming ideal behaviour, the mole fraction of toluene in the mixture is closest to [Vapour pres
A mixture of toluene and benzene boils at `100^(@)C`. Assuming ideal behaviour, the mole fraction of toluene in the mixture is closest to [Vapour presure of pure toluene and pure benzene at `100^(@)C` are 0.742 and 1.800 bar respectively. 1 atm = 1.013 bar]
A. 0.824
B. 0.744
C. 0.544
D. 0.624
4 views
1 Answers
Correct Answer - B
`1.013=0.742X_(t)+1.8 X_(b)`
`1.013=0.742(1-X_(b))+1.8 X_(b)`
`X_(b)=0.256`
`:. X_(t)=1-X_(b)=0.744`
4 views
Answered