\(\text{ }\frac{{{\text{P}}_{\text{solution}}}}{\text{P}_{\text{solvent}}^{o}}=\)
દ્રાવ્યના મોલ-અંશ
\(\Rightarrow \therefore \frac{{{\text{P}}_{\text{solution}}}}{\text{P}_{\text{solvent}}^{o}}=\frac{2}{2+1}=\frac{2}{3}\)
(બેન્ઝિન માટે $K_f $ $= 5.12 \,K\, kg\, mol^{-1}$)