A \( 0.5 \) percent solution of potassium chloride was found to freeze at \( -0.24^\circ \mathrm{C} \). The percentage dissociation of potassium chloride is ____________ (Nearest integer).
Molal depression constant for water is \( 1.80 \, \text{K kg mol}^{-1} \) and molar mass of \( \mathrm{KCl} \) is \( 74.6 \, \text{g mol}^{-1} \).
