Chapter 4, Problem 4.91SP

How could you u a precipitation reaction to separate each of the following pairs of anions? Write the formula for each reactant you would add, and write a balanced net tonic equation for each reaction.
(a) ${\text{Cl}}^{-}$ and ${\text{NO}}_{\text{3}}{}^{-}$  (b) ${\text{S}}^{2-}$ and ${\text{SO}}_4{}^{2-}$
(c) ${\text{SO}}_4{}^{2-}$ And ${\text{CO}}_3{}^{2-}$   (d) ${\text{OH}}^{-}$ and ${\text{ClO}}_4{}^{-}$