Report the valency $($Z$-$values$)$ and equivalent weights of each of the constituents reported in the water quality analysis from the table below, then calculate the hardness of this water source with the units of $m\frac{g}{L}$ as $CaC{O}_3($all concentrations shown in $m\frac{g}{L}$ unless otherwise noted$)$:

$\backslash$table$[[$Iron II $(F{e}^{2+}),0\mathrm{.}2,\backslash$table$[[$Strontium$],[(S{r}^{2+})$