${P_s}\,\, = \,\,P_A^0{X_A}\, + \,\,P_B^0{X_B}\,$
$ \Rightarrow \,\,760\,\, = \,\,520{X_A}\, + \,\,1000(1\,\, - \,\,{X_A})$
${{\text{X}}_{\text{A}}}\, = \,\,\,{\text{0}}{\text{.50}}\, = \,\,\,{\text{50% }}\,$ (મોલથી)
[ આપેલ : $\mathrm{R}=0.083 \mathrm{~L} \mathrm{bar} \mathrm{mol}^{-1} \mathrm{~K}^{-1}$ ]
$\mathrm{NaCl}$ નું સંપૂર્ણ વિયોજન થાય છે તે ધારી લો.