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At 300 K the vapour pressure of an ideal...

At 300 K the vapour pressure of an ideal solution containing 1 mole of liquid A and 2 moles of liquid B is 500 mm of Hg. The vapour pressure of the solution increases by 25 mm of Hg, if one more mole of B is added to the above ideal solution at 300K. Then the vapour pressure of A in its pure state is

A

300

B

400

C

500

D

600

Text Solution

Verified by Experts

The correct Answer is:
A
`P_T=P_A^@X_A +P_B^@X_B`
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