Giúp em:vvvvvvvvvvvvvvvv

Em tham khảo nha:

\(\begin{array}{l}
a)\\
S{O_3} + {H_2}O \to {H_2}S{O_4}\\
CaO + {H_2}O \to Ca{(OH)_2}\\
b)\\
2Al + 3{H_2}S{O_4} \to A{l_2}{(S{O_4})_3} + 3{H_2}\\
BaC{l_2} + {H_2}S{O_4} \to BaS{O_4} + 2HCl\\
Mg{(OH)_2} + {H_2}S{O_4} \to MgS{O_4} + 2{H_2}O\\
ZnO + {H_2}S{O_4} \to ZnS{O_4} + {H_2}O\\
CaO + {H_2}S{O_4} \to CaS{O_4} + {H_2}O\\
{K_2}C{O_3} + {H_2}S{O_4} \to {K_2}S{O_4} + C{O_2} + {H_2}O\\
Pb{(N{O_3})_2} + {H_2}S{O_4} \to PbS{O_4} + 2HN{O_3}\\
c)\\
Ca{(OH)_2} + 2HCl \to CaC{l_2} + 2{H_2}O\\
2Al + Ca{(OH)_2} + 2{H_2}O \to Ca{(Al{O_2})_2} + 3{H_2}\\
S{O_3} + Ca{(OH)_2} \to CaS{O_4} + {H_2}O\\
ZnO + Ca{(OH)_2} \to CaZn{O_2} + {H_2}O\\
{K_2}C{O_3} + Ca{(OH)_2} \to CaC{O_3} + 2KOH\\
Pb{(N{O_3})_2} + Ca{(OH)_2} \to Pb{(OH)_2} + Ca{(N{O_3})_2}
\end{array}\)