If P^(@) and P(s) are vapour pressure of...

If `P^(@)` and `P_(s)` are vapour pressure of solvent and its solution, respectively, `chi_(1)` and `chi_(2)` are mole fractions of solvent and solute, respectively, then

`P=P_(0)N_(2)`

`P=P_(0)N_(1)`

`P_(0)=PN_(1)`

`P=P_(0)(N_(1)//N_(2))`

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