The freezing point of nitrobenzene is 27...

The freezing point of nitrobenzene is 278.8 K. A 0.25 molal solution of a substance (molecular weight : 120) in nitrobenzene has a freezing point of 276.8 K. Calculate the molal depression constant of nitrobenzene.

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`DeltaT_(f)=iK_(f)m`.

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