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If P^(@) and P(S) are the vapour pressur...

If `P^(@)` and `P_(S)` are the vapour pressure of the solvent and solution respectively, `n_(1) and n_(2)` are the mole fractions of the solvent and solute respectively, then:

A

`P_(S)=P^(0)n_(1)`

B

`P_(S)=P^(0)n_(2)`

C

`P^(0)=P_(S)n_(2)`

D

`P_(S)=P^(0)((n_(1))/(n_(2)))`

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The correct Answer is:
A
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