The freezing point depression constant for water is -1.86°C m-1. If 5.00 g Na2SO4 is dissolved in 45.0g H2O, the freezing point is changed by -3.82°C. Calculate the van't Hoff factor for Na2SO4.
2.05
2.63
3.11
0.381
As we learned in concept
Application of Vant Hoff factor -
-
m =
Option 1)
2.05
This option is incorrect.
Option 2)
2.63
This option is correct.
Option 3)
3.11
This option is incorrect.
Option 4)
0.381
This option is incorrect.