Chemistry - Ionic Equilibrium Question with Solution | TestHub

The solubility product of ${\mathrm{PbI}}_2$ is $7.2\times 10^{-9}$. The maximum mass (in grams) of NaI which may be added to 500 mL of $0.005\mathrm{M}\mathrm{Pb}{\left({\mathrm{NO}}_3\right)}_2$ solution without any precipitation of ${\mathrm{PbI}}_2$ (At.wt of $\mathrm{Na}=23,I=127$ ).