0.216molal solution of Cadmium sulphate is prepared in 1000gram of water. The depression in freezing point was measured to be 0.284K. Calculate the Vant hoff factor. The Cryoscopic constant for water is 1.86K Kg mol-1.

Asked by Topperlearning User | 20th Jun, 2016, 03:50: PM

Expert Answer:

ΔTf = i Kf m
 i = Kf m / ΔTf 
 
I = 1.86 x 0.216 / 0.284 = 1.21
     

Answered by  | 20th Jun, 2016, 05:50: PM