45. 0.5 molal aqueous solution of a weak acid (HX) is 20% ionized . IIf Kf for water is 1.86 K Kg per mol, the lowering in freezing point of the solution is

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0.5

molal aqueous solution of a weak acid

(H X)

20 %

ionized. If

K_{f}

for the water is

1.86 K k g m o l^{- 1}

, the lowering in freezing point of the solution is:

0.5 molal aqueous solution of a weak acid $H X$ is 20% ionized. If $K_{f}$ for water is 1.86 $K k g m o l^{- 1}$ , the lowering in freezing point of the solution is

Q. A

0.2 m o l a l

aqueous solution of a weak acid

H X

20 %

ionized. The freezing point of the solutions is :

[

k_{f} = 1.86 k k g m o l e^{- 1}

for water]

Q. In a

0.2

molal aqueous solution of a weak acid,

H X

. the degree of ionization is

0.3

. If

K_{f}

for water is

1.85

, find the freezing point of the solution.

A 0.2 molal aqueous solution of a weak acid (HX) is 20% ionised. The freezing point of this solution is (Given for water)

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