1.

The percentage degree of hydrolysis of a salt of weak acid (HA) and weak base (BOH)in its 0.1 M solutions is found to be 10% If the molarity of the solution is 0.05M, the percentage hydrolysis of the salt should be :

Answer»

`5% `
` 10 %`
` 20%`
NONE of these

Solution :The formula is h =`(h)/(1-h)=sqrt((K_w)/( K_a. K_b))`
In this formula , Conc. TERM is ABSENT i.e., .h.does not DEPEND on concentration .


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