શરૂઆતના મોલ $1$ $0$ $0$
આયનીકરણ પામેલા મોલ $\alpha$ $\alpha$ $\alpha$
બાકી મોલ $1\, -$ $\alpha$ $\alpha$ $\alpha$
$\alpha$ $= 0.9$
બાકી કુલ મોલ ${\text{ = 1 - }}\alpha + \alpha + \alpha \,\,{\text{ = 1 + }}\alpha \,\,\,{\text{ = 1 + 0}}{\text{.9 = 1}}{\text{.9}}\,\,\,\therefore \,\,{\text{ i = 1}}{\text{.9}}$
$\Delta {{\text{T}}_{\text{f}}}\text{ = i }\times \text{ }{{\text{K}}_{\text{f}}}\times \text{ m}$ $=(1.9)\times (1.86)\times \left( \frac{8.1\times 1000}{81\times 100} \right)$ $\text{= 3}\text{.56}{{\text{3}}^{o}}$ સે
ઠારબિંદુ $= 0 - $ $\Delta T_f = 0 - 3.53 = -3.53^o$ સે
(આણ્વિય દળ $\left.\mathrm{H}_{2} \mathrm{SO}_{4}=98 \;\mathrm{g} / \mathrm{mol}\right)$