MCQ
Calculate the molality of a solution having freezing point depression $3.6 \mathrm{~K}$ and freezing point depression constant $4.8 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$.
- ✓$0.75 \mathrm{~mol} \mathrm{~kg}^{-1}$
- B$0.9 \mathrm{~mol} \mathrm{~kg}^{-1}$
- C$0.5 \mathrm{~mol} \mathrm{~kg}^{-1}$
- D$0.3 \mathrm{~mol} \mathrm{~kg}^{-1}$