Chemistry - Liquid Solution Question with Solution | TestHub

Depression in freezing point of$\text{0}\text{.01}$molal aqueous solution of$\text{HA}$is$\text{0}\text{.01924}\text{K}\text{.}$The${\mathrm{p}\mathrm{K}}_{\mathrm{a}}$value of$\text{HA}$is
[Given = molarity = molality,$\left[{\text{K}}_{\text{f}}\left({\text{H}}_{\text{2}}\text{O}\right)\text{=}\text{1}{\text{.85 Kkg mol}}^{-\text{1}}\text{,}\text{log}\text{2}\text{=}\text{0}\text{.3}\right]$