Calculate the molality of solution if its depression in freezing point is 0.18 K . $\left[\mathrm{K}_{\mathrm{f}}=1.6 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right]$

Question

Aicharya · Accepted Answer

$\begin{aligned} & \Delta \mathrm{T}_{\mathrm{f}}=\mathrm{K}_{\mathrm{f}} 	imes \mathrm{m} \ 	herefore \quad & \mathrm{m}=\frac{\Delta \mathrm{T}_{\mathrm{f}}}{\mathrm{K}_{\mathrm{f}}}=\frac{0.18 \mathrm{~K}}{1.6 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}}=0.113 \mathrm{~m}\end{aligned}$

Calculate the molality of solution if its depression in freezing point is 0.18 K .…

Solution