What mass of $CuC{l}_2$ is contained in $90\mathrm{.}9g$ of a $22\mathrm{.}4\%$ by mass solution of $CuC{l}_2$ in water?

$11\mathrm{.}2g$

$20\mathrm{.}4g$

$40\mathrm{.}6g$

$4\mathrm{.}91g$

$24\mathrm{.}6g$