Arrange the following solutions in order of decreasing freezing point: 0.20 m MgCl2, 0.15 m C6H6, 0.10 m CrBr3, 0.15 m CH3CH2COOH, 0.35 m NaCl. (Enter just the formulas in your answer. Use the appropriate <, =, or > symbol to separate substances in the list.)