A 0.1 molal aqueous solution of a weak acid is 30% ionized. If Kf for water is 1.86°C/m , the freezing point of the solution will be:
-0.18°C
-0.54°C
-0.36°C
-0.24°C3
As we learned in concept
Application of Vant Hoff factor -
-
=
Option 1)
-0.18°C
This option is incorrect.
Option 2)
-0.54°C
This option is incorrect.
Option 3)
-0.36°C
This option is incorrect.
Option 4)
-0.24°C3
This option is correct.