Question

Q5. Derive molecular mass of solute from depression of freezing point
solution​

Answer 1

Answer:

ΔTf=kfm, where Kr is a constant of proportionality. If m = 1 molal, ΔTr= Kf. Hence Kr is called the cryoscopic constant or molal depression constant. If W1 grams of a solvent contain W2 gram of a solute of the molar mass M2 , them the molality m of the solution is given by .

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