a solution comprising 0.1 mole of naphthalene and 0.6 mole of benzene is cooled under some solid benzene phrases out the solution is d then decanted off from solid and warmed to 353 Kelvin, where its vapour pressure is found to be 608 torr. the amount of benzene that freezes out due to following is X gram the value of 5 x is

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Q. A solution containing 0.1 mole of naphthalene and 0.9 mole of benzene is cooled out until some benzene freezes out. The solution is then decanted off from the solid and warmed up to 353 K where its vapour pressure was found to be 670 torr. The freezing point and boiling point of benzene are 278.5 K and 353 K respectively and its enthalpy of fusion is 10.67 kJ

m o l^{- 1}

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Q. A cylinder contains

0.9

moles of benzene vapour and

0.1

moles of toluene vapour at

50^{o} C

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