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Two liquid A & B form an ideal solution. What is the vapour pressure of solution containing 2 moles of A and 3 moles at B at 300K? [Given: At 300K, Vapour pr. Of pure liquid A`("P"_("A")^(@))`=100 torr, Vapour pr. Of pure liquid B`("P"_("B")^(@))`= 300 torr]

A

220 torr

B

140 torr

C

180 torr

D

None of these

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