Calculate the solubility in mol $\text{dm}^{-3}$ of sparingly soluble salt BA at 293 K if its solubility product is $8.56 \times 10^{-5}$ at same temperature.

Which from following salts does not undergo hydrolysis ?

Identify conjugate acid and conjugate base for $\mathrm{HCO}_3^{-}$ion respectively

Find the concentration of sodium acetate when added to 0.1 M solution of acetic acid to form a buffer solution of $\mathrm{pH}=5.5$ ?

( $\mathrm{pK}_{\mathrm{a}}$ of $\mathrm{CH}_3 \mathrm{COOH}=4.5$ )