The `pK_(a)` of `CH_(3)COOH` and `pK_(a)` of `nH_(4)OH` is `4.76` and `4.75`, respectively. Calculate the hydrolysis constant of ammonium acetate `(CH_(3)COONH_(4))` at `298K` and also the drgree of hydrolysis and `pH` of its (a) `0.01M` and (b) `0.04M` solutions.

Answer

`K_(h)=3.25xx10^(-5), h=5.7 xx 10^(-3) and pH = 7. 005` (same in both cases)

Explanation

First calculate `K_(a) and K_(b)`. Then `K_(h)=K_(w)//(K_(a).K_(b)) and h = sqrt(K_(h))`.