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21. Rank these aqueous solutions from highest to lowest normal freezing point: I. 0.40 m NaCl...

21. Rank these aqueous solutions from highest to lowest normal freezing point: I. 0.40 m NaCl II. 0.20 m MgCl2 III. 0.50 m Al(NO3)3 IV. 1.5 m C6H12O6 (1) II > I > IV > III (2) III > IV > I > II (3) II > I > III > IV (4) I > II > III > IV (5) IV > III > I > II

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