For a weak acid with dissociation constant $K_a$ and its conjugate salt with hydrolysis constant $K_h$,which of the following represents their relationship?

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

The hydrolysis constant of $0.01 \ M$ methylamine hydrochloride is....... [ Given: $K_b = 5 \times 10^{-4} $ ]

$pH$ of a salt solution of weak acid $(pK_a = 4)$ and weak base $(pK_b = 5)$ at $25^{\circ}C$ is:

An aqueous solution of sodium carbonate is alkaline because sodium carbonate is a salt of which of the following?

$A$ solution of sodium acetate in water will