Question

what is the difference between vapour pressure and relative lowering of vapour pressure​

Answer 1

Answer:

heya mate ☺

The vaporpressure of a solvent is lowered when a non-volatile solute is dissolved in it to form a solution. “The relative lowering of vapour pressure of a solution is equal to the mole fraction of the solute present in the solvent.”

Answer 2

Answer:

The relative lowering of vapour pressure is the ratio of vapour pressure lowering of solvent from solution to the vapour pressure of pure solvent. Here, p10 is the vapour pressure of pure solvent and Δp is the vapour pressure lowering of solution. W1 and W2 are the masses of solvent and solute respectively

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