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The vapour pressure of water at room tem...

The vapour pressure of water at room temperature is 30 mm of Hg. If the mole fraction of the water is 0.9, the vapour pressure of the solution will be :

A

30mm of Hg

B

24 mm of Hg

C

21 mm of Hg

D

27 mm of Hg

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The correct Answer is:
D
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