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At 25^(@)C, the vapour pressure of pure ...

At `25^(@)C`, the vapour pressure of pure liquid A (mol. Mas = 40) is 100 torr, (mol. = 80). The vapour pressure at `25^(@)C` of a solution containing 20 g of each A and B is :

A

80 torr

B

59.8 torr

C

68 torr

D

48 torr

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The correct Answer is:
a
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