Answer :

vapour pressure easily measured chemical volality

volality is work by a substances vapour pressure.

Evaporation is a unit operation .

Substance with higher vapour pressure will vaporizer more readily at a given temperature than substances with lower vapour pressure.

Substance with higher vapour pressure will vaporizer more readily at a given temperature than substances with lower vapour pressure.

It is more used by chemist and scientists to know about the chemical concentration in the air .

It is more used by chemist and scientists to know about the chemical concentration in the air .

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