Chapter 4.2, Problem 2CP

Which of the following are water-insoluble? (Choose all that apply.)

$\begin{array}{l}\text{a)}\hfill \\ {\text{Ag}}_{\text{2}}{\text{CrO}}_{\text{4}}\hfill \\ \text{b)}\hfill \\ {\text{Li}}_{\text{2}}{\text{CO}}_{\text{3}}\hfill \\ \text{C)}\hfill \\ {\text{Ca}}_{\text{3}}{\left({\text{PO}}_{\text{4}}\right)}_{\text{2}}\hfill \\ \text{d)}\hfill \\ {\text{BaSO}}_{\text{4}}\hfill \\ \text{e)}\hfill \\ {\text{ZnCl}}_{\text{2}}\hfill \\ \hfill \end{array}$