A solution in a closed system has following solutes $(20)$:

$HCl,0\mathrm{.}01$mol$\frac{e}{L}$;NaOH,$0\mathrm{.}03$mol$\frac{e}{L}$;$K_{2}S{O}_4,0\mathrm{.}02$mol$\frac{e}{L}$;$H_{2}C{O}_3^{**},0\mathrm{.}02$mol$\frac{e}{L}$;

$($a$)$ Set up a tableau for the given solution. $($b$)$ Calculate the ALK of the given solution.