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Question
At particular temperature, the vapour pressure of two liquids A and B are respectively 120 and 180 mm of mercury. If 2 moles of A and 3 moles of B are mixed to form an ideal solution, at the vapour pressure of the solution at the same temperature will be (in mm of mercury)
Options
A.156
B.145
C.150
D.108
Solution
Vapour pressure of solution = PA + PB
= pAoxA + PBoxB =
= 156 mm Hg
= pAoxA + PBoxB =
= 156 mm HgCreate a free account to view solution
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