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Benzene and toluene combine to form an i...

Benzene and toluene combine to form an ideal solution. At `80^(@)C`, vapour pressure of pure benzene is 800 mmHg and the vapour pressure of pure toluene is 300 mmHg. If the vapour pressure of the solution is 400 mmHg, what are the mole fractions of benzene and toluene?

A

60% benzene and 40% toluene

B

50% benzene and 50% toluene

C

40% benzene and 60% toluene

D

20% benzene and 80% toluene

Text Solution

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The correct Answer is:
d
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