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The lowering of vapour pressure of a ...

The lowering of vapour pressure of a solvent by the addition of a non- volatile solute to . It , is directly proportional to _______.

A

the product of vapour pressure of pure solvent and mole fraction of the non- volatile solute

B

the product of vapour pressure of pure solvent and mole fraction of the pure solvent

C

the sum of vapour pressure of pure solvent and mole fraction of the non- volatile solute

D

The sum of vapour pressure of pure solvent and mole fraction of the pure solvent

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The correct Answer is:
A
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