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If 2 moles of A and 3 moles of B are mix...

If 2 moles of A and 3 moles of B are mixed to form an ideal solution vapour pressure of A and B are 120 and 180 mm of Hg respectively, then the composition of A and B in the Vapour phase when the first traces of vapour are formed in the above case is

A

`X^1 A = 0.407`

B

`X^1 A = 0.8`

C

`X^1 A = 0.109`

D

`X^1 A = 0.307`

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AAKASH SERIES-REVISION EXERCISE -COMPLEX COMPOUNDS
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