Chemistry

Problem

0.2 \text{ molal}

acid

\text{HX}

is 20% ionised in solution.

K_f = 1.86 \text{ K molality}^{-1}

. The freezing point of the solution is : a.

-0.45^\circ\text{C}

-0.90^\circ\text{C}

-0.31^\circ\text{C}

-0.53^\circ\text{C}