1.

Addition of 0.5 g of a compound to 50 mL of benzene ( having density ρ≈0.9 g mL−1) lowers the freezing point from 5.51∘C to 5.01∘C. Molar mass of the compound added is:(Kf of benzene = 5.12 K kg mol−1).

Answer»

Addition of 0.5 g of a compound to 50 mL of benzene ( having density ρ0.9 g mL1) lowers the freezing point from 5.51C to 5.01C. Molar mass of the compound added is:

(Kf of benzene = 5.12 K kg mol1).



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