Đáp án:

Bạn tham khảo lời giải ở dưới nhé!!!

Giải thích các bước giải:

\(\begin{array}{l}
4Fe{S_2} + 11{O_2} \to 2F{e_2}{O_3} + 8S{O_2}\\
2Fe{(OH)_3} \to F{e_2}{O_3} + 3{H_2}O\\
S{O_2} + 2{H_2}S \to 3S + 2{H_2}O\\
3F{e_2}{O_3} + {H_2} \to 2F{e_3}{O_4} + {H_2}O\\
FeS + 2HCl \to FeC{l_2} + {H_2}S\\
4Fe{(OH)_2} + {O_2} + 2{H_2}O \to 4Fe{(OH)_3}\\
FeC{l_2} + 2NaOH \to Fe{(OH)_2} + 2NaCl\\
Mn{O_2} + 4HBr \to MnB{r_2} + B{r_2} + 2{H_2}O\\
C{l_2} + S{O_2} + 2{H_2}O \to 2HCl + {H_2}S{O_4}\\
Ca{(OH)_2} + 2N{H_4}N{O_3} \to Ca{(N{O_3})_2} + 2N{H_3} + 2{H_2}O\\
Ca{({H_2}P{O_4})_2} + 2Ca{(OH)_2} \to C{a_3}{(P{O_4})_2} + 4{H_2}O\\
4{C_x}{H_y}{(COOH)_2} + (2x + y + 2){O_2} \to (4x + 8)C{O_2} + (2y + 4){H_2}O\\
Ca{(OH)_2} + 2KHC{O_3} \to CaC{O_3} + {K_2}C{O_3} + 2{H_2}O\\
A{l_2}{O_3} + 6KHS{O_4} \to A{l_2}{(S{O_4})_3} + 3{K_2}S{O_4} + 3{H_2}O\\
xF{e_2}{O_3} + (3x - 2y){H_2} \to 2F{e_x}{O_y} + (3x - 2y){H_2}O\\
2NaHS{O_4} + BaC{O_3} \to N{a_2}S{O_4} + BaS{O_4} + C{O_2} + {H_2}O\\
2Fe + 6{H_2}S{O_4} \to F{e_2}{(S{O_4})_3} + 3S{O_2} + 6{H_2}O\\
2Ag + 2{H_2}S{O_4} \to A{g_2}S{O_4} + S{O_2} + 2{H_2}O\\
Ba{(HC{O_3})_2} + Ca{(OH)_2} \to BaC{O_3} + CaC{O_3} + 2{H_2}O\\
F{e_2}{O_3} + 6HN{O_3} \to 2Fe{(N{O_3})_3} + 3{H_2}O\\
2F{e_x}{O_y} + \frac{{3x - 2y}}{2}{O_2} \to xF{e_2}{O_3}\\
Mn{O_2} + 4HCl \to MnC{l_2} + C{l_2} + 2{H_2}O\\
2NaCl + 2{H_2}O \to 2NaOH + {H_2} + C{l_2}\\
2KMn{O_4} + 16HCl \to 2KCl + 2MnC{l_2} + 5C{l_2} + 8{H_2}O\\
2KMn{O_4} + 10NaCl + 8{H_2}S{O_4} \to {K_2}S{O_4} + 2MnS{O_4} + 5N{a_2}S{O_4} + 5C{l_2} + 8{H_2}O\\
F{e_3}{O_4} + 8HCl \to 2FeC{l_3} + FeC{l_2} + 4{H_2}O\\
4Fe{S_2} + 11{O_2} \to 2F{e_2}{O_3} + 8S{O_2}\\
Cu + 2{H_2}S{O_4} \to CuS{O_4} + S{O_2} + 2{H_2}O\\
F{e_x}{O_y} + (x - y)CO \to xFeO + (x - y)C{O_2}\\
2yAl + 3F{e_x}{O_y} \to yA{l_2}{O_3} + 3xFe\\
2F{e_x}{O_y} + (6x - 2y){H_2}S{O_4} \to xF{e_2}{(S{O_4})_3} + (3x - 2y)S{O_2} + (6x - 2y){H_2}O
\end{array}\)