1.

At 25^(@)C Vapour Pressureof Pure benzene and pure toluene are 93.4 and 26.9 torr respectively . Asolution is prepared by mixing 60g benzene and 40g of toluene . What pressure should be maintained in the flask containing this solution so that it start boiling at 25^(@)C.

Answer»

`0.693mm`
`6.93mm`
`69.327mm`
`693.27`

ANSWER :C


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