Chỉ mình vs các bạn ạ

Em tham khảo nha :

\(\begin{array}{l}
4)\\
CaC{O_3} \to CaO + C{O_2}\\
CaO + S{O_2} \to CaS{O_3}\\
CaS{O_3} + {H_2}S{O_4} \to CaS{O_4} + S{O_2} + {H_2}O\\
S{O_2} + 2KOH \to {K_2}S{O_3} + {H_2}O\\
5)\\
S{O_2} + Ca{(OH)_2} \to CaS{O_3} + {H_2}O\\
S{O_2} + N{a_2}O \to N{a_2}S{O_3}\\
6)\\
S{O_2} + Ca{(OH)_2} \to CaS{O_3} + {H_2}O\\
{n_{S{O_2}}} = \dfrac{{2,24}}{{22,4}} = 0,1mol\\
{n_{Ca{{(OH)}_2}}} = {n_{S{O_2}}} = 0,1mol\\
{V_{Ca{{(OH)}_2}}} = \dfrac{{0,1}}{1} = 0,1l = 100ml\\
{n_{CaS{O_3}}} = {n_{S{O_2}}} = 0,1mol\\
{m_{CaS{O_3}}} = 0,1 \times 120 = 12g
\end{array}\)