1.

Calculate the mass of compound (molar mass = "256 g mol"^(-1)) to be dissolved in 75 g of benzene to lower its freezing point by 0.48 K (K_(f)="5.12 K kg mol"^(-1))

Answer»


SOLUTION :`w_(2)=(M_(2)xxDeltaT_(f)xxw_(1))/(1000xxK_(f))=(256xx0.48xx75)/(1000xx5.12)g=1.8g`


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