Choose the aqueous solution that has the highest freezing point. These are all solutions of nonvolatile solutes and you should assume ideal van't Hoff factors where applicable.

$\backslash$Delta Tf $=$ i$.$m$.$Kf

A$)0\mathrm{.}100$ m KNO$2$

B$)0\mathrm{.}100$ m Li$2$SO$4$

C$)0\mathrm{.}200$ m C$3$H$8$O$3$

D$)0\mathrm{.}040$ m Li$3$PO$4$

E$)$ They all have the same freezing point.