Question

What do you mean by relative lowering vapour pressure?​

Answer 1

Answer:

When a non-volatile solute is dissolved in a liquid, the vapour pressure of the solution becomes lower than the vapour pressure of the pure solvent. ... The vapour pressure of the solution is, therefore merely the vapour pressure of the solvent.

Explanation:

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Answer 2

Answer:

the vapour above the solution consists of only solvent molecules after adding the solute, the vapour pressure of the solution is to be find.

is known as relative lowering vapour pressure...