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Which observation(s) reflect(s) colligative properties? (I) A 0.85 m FeCl3 aqueous solution has a lower vapor pressure than that of a 0.85 m C12H22O11 aqueous solution. (II) A paper clip floats on the surface water in a container. (III) A 0.15 m Al(NO3)3 aqueous solution boils at a higher temperature than pure water.