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Which of the following units is useful i...

Which of the following units is useful in relating concentration of solution with its vapour pressure?

A

mole fraction

B

parts per million

C

mass parcentage

D

molality

Text Solution

Verified by Experts

The correct Answer is:
a
The vapour pressure of a solution is related to its oncentration in terms of mole fraction. According to Raoult's Law.
`P=P_(A)+P_(B)=P_(A)^(@)x_(A)+P^(@)__Bx_(B).`
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