Đáp án:
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Giải thích các bước giải:
\(\begin{array}{l}
{H_2}S{O_4} + 2KOH \to {K_2}S{O_4} + 2{H_2}O\\
NaCl + AgN{O_3} \to AgCl + NaN{O_3}\\
C{H_3}COONa + HCl \to C{H_3}COOH + NaCl\\
2AgN{O_3} + CaC{l_2} \to 2AgCl + Ca{(N{O_3})_2}\\
FeC{l_2} + 2NaOH \to Fe{(OH)_2} + 2NaCl\\
CuS{O_4} + 2NaOH \to Cu{(OH)_2} + N{a_2}S{O_4}\\
BaC{l_2} + {H_2}S{O_4} \to BaS{O_4} + 2HCl\\
BaC{l_2} + N{a_2}S{O_4} \to BaS{O_4} + 2NaCl\\
Ba{(N{O_3})_2} + N{a_2}S{O_4} \to BaS{O_4} + 2NaN{O_3}\\
{K_2}C{O_3} + 2HCl \to 2KCl + C{O_2} + {H_2}O\\
N{a_2}S + HCl \to 2NaCl + {H_2}S\\
{K_2}S{O_3} + 2HCl \to 2KCl + S{O_2} + {H_2}O\\
CaS{O_3} + 2HCl \to CaC{l_2} + S{O_2} + {H_2}O\\
CaC{O_3} + 2HCl \to CaC{l_2} + C{O_2} + {H_2}O\\
BaC{O_3} + 2HCl \to BaC{l_2} + C{O_2} + {H_2}O\\
CaC{O_3} + 2HN{O_3} \to Ca{(N{O_3})_2} + C{O_2} + {H_2}O\\
CaC{O_3} + {H_2}S{O_4} \to CaS{O_4} + C{O_2} + {H_2}O\\
Mg{(OH)_2} + 2HCl \to MgC{l_2} + 2{H_2}O\\
Cu{(OH)_2} + 2HN{O_3} \to Cu{(N{O_3})_2} + 2{H_2}O\\
Fe{(OH)_2} + {H_2}S{O_4} \to FeS{O_4} + 2{H_2}O\\
N{H_4}Cl + NaOH \to NaCl + N{H_3} + {H_2}O
\end{array}\)