Đáp án:
Bạn tham khảo lời giải ở dưới nhé!!!
Giải thích các bước giải:
Bài 1:
\(\begin{array}{l}
Zn + C{l_2} \to ZnC{l_2}\\
Cu{(OH)_2} \to CuO + {H_2}O\\
N{a_2}S{O_4} + BaC{l_2} \to BaS{O_4} + 2NaCl\\
2HCl + CaC{O_3} \to CaC{l_2} + C{O_2} + {H_2}O\\
2NaCl + 2{H_2}O \to 2NaOH + C{l_2} + {H_2}\\
F{e_3}{O_4} + 8HCl \to 2FeC{l_3} + FeC{l_2} + 4{H_2}O
\end{array}\)
Bài 2:
\(\begin{array}{l}
a,\\
S + {O_2} \to S{O_2}\\
2S{O_2} + {O_2} \to 2S{O_3}\\
S{O_3} + {H_2}O \to {H_2}S{O_4}\\
2NaOH + {H_2}S{O_4} \to N{a_2}S{O_4} + 2{H_2}O\\
N{a_2}S{O_4} + BaC{l_2} \to BaS{O_4} + 2NaCl\\
b,\\
CaO + C{O_2} \to CaC{O_3}\\
CaC{O_3} \to CaO + C{O_2}\\
CaO + {H_2}O \to Ca{(OH)_2}\\
Ca{(OH)_2} + C{O_2} \to CaC{O_3} + {H_2}O\\
CaC{O_3} + N{a_2}S{O_4} \to CaS{O_4} + N{a_2}C{O_3}\\
c,\\
2Fe + 3C{l_2} \to 2FeC{l_3}\\
FeC{l_3} + 3NaOH \to Fe{(OH)_3} + 3NaCl\\
2Fe{(OH)_3} \to F{e_2}{O_3} + 3{H_2}O\\
F{e_2}{O_3} + 3{H_2}S{O_4} \to F{e_2}{(S{O_4})_3} + 3{H_2}O\\
F{e_2}{(S{O_4})_3} + 3BaC{l_2} \to 2FeC{l_3} + 3BaS{O_4}\\
d,\\
4Al + 3{O_2} \to 2A{l_2}{O_3}\\
A{l_2}{O_3} + 6HCl \to 2AlC{l_3} + 3{H_2}O\\
AlC{l_3} + 3NaOH \to 3NaCl + Al{(OH)_3}\\
2Al{(OH)_3} \to A{l_2}{O_3} + 3{H_2}O\\
2A{l_2}{O_3} \to 4Al + 3{O_2}\\
2Al + 3S \to A{l_2}{S_3}\\
e,\\
Mn{O_2} + 4HCl \to MnC{l_2} + C{l_2} + 2{H_2}O\\
2Fe + 3C{l_2} \to 2FeC{l_3}\\
FeC{l_3} + 3NaOH \to Fe{(OH)_3} + 3NaCl\\
2NaCl + 2{H_2}O \to 2NaOH + C{l_2} + {H_2}\\
Cu + C{l_2} \to CuC{l_2}\\
CuC{l_2} + 2AgN{O_3} \to 2AgCl + Cu{(N{O_3})_2}
\end{array}\)
