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Chemistry Level pending

Two volatile liquids $$A$$ and $$B$$ are taken in two separate container $$P$$ and $$Q$$. 10 moles Liquid $$A$$ is poured in container $$P$$ and 5 moles of liquid $$B$$ is poured in container $$Q$$. Now in container $$P$$, 5 moles of non-volatile solute (molecular formula MX2) is mixed whereas in container $$Q$$, 3 moles of another non -volatile solute Y(molecular formula M2X3)h is mixed.

Now the two solutions formed in $$P$$ and $$Q$$ are mixed together mixed in third container. Now the total vapour pressure of mixture of $$A,B,X,Y$$ is noted and reported. Find the reported Vapour pressure.

Given:-

• Vapour pressure of A and B in pure state is 180 mm Hg and 270 mm Hg respectively.

• solutions are ideal

• non-volatile solutes ionize completely in A and B

• All components of solutions are non-reacting.

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