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) :

1. A. 0.80 K
2. B. 0.40 K
3. C. 0.60 K
4. D. 0.20 K

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