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 pressures of pure toluene and pure benzene at 100^ C are 0.742 and 1.800 bar respectively. 1 atm

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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 pressures of pure toluene and pure benzene at 100^ C are 0.742 and 1.800 bar respectively. 1 atm =1.013 bar ]

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Correct answer: B. 0.744

1.013=0.742 X _ 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

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 pressures of pure toluene and pure benzene at 100^ C are 0.742 and 1.800 bar respectively. 1 atm =1.013 bar ]

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