Question

An ideal solution of 1 mole of A and 2 moles of B has vapour pressure 250 torr at 50°C. If 1 mole of A is
added to the solution, the V.P. of solution becomes 300 torr. What will be the V.2 if 1 mole of B is added
to the solution instead of 1 mole of A.
(1) 150 torr
(2)200 torr
(3) 275 torr
(4) 175 torr
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Answer 1

Answer:

i think 3answer is right

Explanation:

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