Question

what is vapour pressure of a liquid . on what factors does it depends?

Answer 1

The vapor pressure of a liquid varies with its temperature.

The line on the graph shows the boiling temperature for liquid. As the temperature of a liquid increases its vapor pressure also increases

Addition of solute effects the vapor pressure that is solute concentration.

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Answer 2

The vapour pressure of a liquid is the pressure applied by the liquid on the walls of the container in which it is kept. Vapour preasure of a liquid depends upon (i) the amount of the solute added in the liquid and (ii) the nature of the solute.




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