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X= Mole fraction of liquid A in liquid solution.

Y= Mole fraction of vapour A in vapour mixture.

Z is the graphical mid point between "1" & "X".

Find value of P.Y.100X. [Given :PT=450 mmHg]

If PA'=300 mm of Hg

PB=700 mm of Hg

Give your answer after multiplying with 10 and round off to the nearest integer.

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