Ca$+2$ :$40$mg$/$l Mg$+2$ : $36$ mg$/$l Na $+$ : $46$ mg$/$l K$+$ : $39$ mg$/$l SO$4-2$ :$96$mg$/$l Cl$-$ : $35\mathrm{.}5$ mg$/$l HCO$3-$ : $122$ mg$/$l NO$3-$ : $186$ mg$/$l CO$2$ : $44$For the given values above, find:a$)$ Total hardness as $\backslash$deg Fb$)$ Find the amount of NaOH and Na$2$CO$3$

c$)$ Find the amount of NaOH and Na$2$CO$3$ if CaO lime was used

d$)$ Find the amount of CaO lime needed to obtain KS $=2$ oF$,$ GS $=0$ oF