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What is a vapour pressure of liquid ? What is relative lowering of vapour pressure? |
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Answer» Solution :The pressure of the vapour in equilibriumwith its liquid is called vapour pressure of the liquid at the given TEMPERATURE Relative LOWERING in vapour pressure : On addition of a non volatile solute it is observed that the vapour pressure of the solution is LESSER than the solvant ACCORDING to Raolut's LAW relative lowering of vapour pressure is equal to the mole fraction of the solute. |
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