The vapour pressure of pure benzene at 88oC is 957 mm and that of toluene at the same temperature is 379.5 mm. Calculate the composition of benzene-toluene mixture boiling at 88oC.
A
xbenzene=0.66;xtoluene=0.34
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B
xbenzene=0.34;xtoluene=0.66
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C
xbenzene=xtoluene=0.5
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D
xbenzene=0.75;xtoluene=0.25
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Solution
The correct option is Axbenzene=0.66;xtoluene=0.34