PA=XAPA and PB=XBPB PT=XAPA+XBPB Vapour pressure of mixtures of Benzene (C6H6) and toluene (C7H8) at 50∘C are given by PM=179XB+92 where XB is mole fraction of C6H6. What is the vapour pressure of pure liquids?
A
PB=92mm,PT=179mm
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B
PB=271mm,PT=92mm
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C
PB=180mm,PT=91mm
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D
None of these
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Solution
The correct option is BPB=271mm,PT=92mm as xA+xB=1