$*)100 ml X:\begin{cases}Na^+:x mol \\ NH_4^+:y mol\\CO_3^{2-}:z mol\\SO_4^{2-}:t mol \end{cases}\Rightarrow \begin{cases}x+y=2(z+t) \\ 197z+233t=197(z+t)+36t=43 gam\\y=\frac{4,48}{22,4}=0,2 mol\\m=5(23x+18y+60z+96t) \end{cases}$$\Rightarrow m=5[23(x+y)-5y+60(z+t)+36t]$
$\Rightarrow m=5[106(z+t)+36t-1]$
$\Rightarrow m=5[106(z+t)+43-197(z+t)-1]$
$\Rightarrow m=5[42-91(z+t)]$
$\Rightarrow 5[42-\frac{91.43}{197}]<m<5[42-\frac{91.43}{233}]$
$\Rightarrow 110,685<m<126,030$