An aqueous solution of $Al_2(SO_4)_3$ is .......

When $1 \ mol$ of aniline hydrochloride is dissolved in $99.2 \ L$ of water,the degree of hydrolysis is $4.88 \%$. Calculate the hydrolysis constant $(K_h)$.

The $pH$ of an aqueous solution of $CH_3COONH_4$ is found to be $6.7$ at $25\,^{\circ}C$. The concentration of the $CH_3COONH_4$ solution is ($K_a$ for $CH_3COOH = 1.0 \times 10^{-5}$ and $pK_b$ for $NH_4OH = 4.4$)

An aqueous solution of sodium carbonate is alkaline because sodium carbonate is a salt of

Calculate $pH$ and degree of hydrolysis $(h)$ of $0.01 \ M$ $CH_3COONa$ solution. Given: $K_h = 5.6 \times 10^{-10}$.

$A$ weak acid $HX$ has the dissociation constant $1 \times 10^{-5} \ M$. It forms a salt $NaX$ on reaction with alkali. The degree of hydrolysis of $0.1 \ M$ solution of $NaX$ is......$\%$