The solubility product of silver chlorides is $1.5625 \times 10^{-10}$ at $25^{\circ}C$. Find its solubility in $gL^{-1}$

Question

$\begin{array}{1 1} 1.79 \times 10^{-3} gL^{-1} \\ 1.89 \times 10^{-3} gL^{-1} \\ 2 \times 10^{-3} gL^{-1}\\ 2.89 \times 10^{-3} gL^{-1} \end{array}$