The freezing point depression of a 0.10 m solution of HF (aq) solution is -0.201 °C. Calculate the percent dissociation of HF (aq).
The freezing point depression of a 0.10 m solution of HF (aq) solution is -0.201 °C. Calculate the percent dissociation of HF (aq).
4 views
1 Answers
ΔTf = i x Kf x m
0.201 = i x 1.86 x 0.1
i = 0.201/0.186 = 1.08
α = (i-1)/( n-1)
=1.08 – 1 = 0.08
% dissociation of HF is 8%
4 views
Answered