The freezing point depression constant ($K_f$) of benzene is 5.12 K kg $mol^{-1}$. The freezing point depressi

Question

The freezing point depression constant ($K_f$) of benzene is 5.12 K kg $mol^{-1}$. The freezing point depression for the solution of molality 0.078 m containing a non-electrolyte solute in benzene is (rounded off upto two decimal places) :

Accepted Answer

Freezing point depression $\Delta T_f = K_f 	imes m = 5.12 	imes 0.078 = 0.39936 \approx 0.40$ K.

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