Giải thích các bước giải:

1,

\(\begin{array}{l}
C{H_3}COOH + Na \to C{H_3}COONa + \dfrac{1}{2}{H_2}\\
2C{H_3}COOH + N{a_2}C{O_3} \to 2C{H_3}COONa + C{O_2} + {H_2}O\\
2C{H_3}COOH + CaC{O_3} \to {(C{H_3}COO)_2}Ca + C{O_2} + {H_2}O\\
2C{H_3}COOH + Mg \to {(C{H_3}COO)_2}Mg + {H_2}
\end{array}\)

4,

\(\begin{array}{l}
C + {O_2} \to C{O_2}\\
C{O_2} + CaO \to CaC{O_3}\\
CaC{O_3} \to C{O_2} + CaO\\
{H_2}O + CaO \to Ca{(OH)_2}\\
Ca{(OH)_2} + 2C{O_2} \to Ca{(HC{O_3})_2}\\
{C_2}{H_4} + {H_2}O \to {C_2}{H_5}OH\\
{C_2}{H_5}OH + {O_2} \to C{H_3}COOH + {H_2}O\\
C{H_3}COOH + 2{O_2} \to 2C{O_2} + 2{H_2}O\\
C{O_2} + CaO \to CaC{O_3}\\
C{H_3}COO{C_2}{H_5} + NaOH \to C{H_3}COONa + {C_2}{H_5}OH\\
{C_2}{H_5}OH + {O_2} \to C{H_3}COOH + {H_2}O\\
C{H_3}COOH + 2{O_2} \to 2C{O_2} + 2{H_2}O\\
NaOH + C{O_2} \to NaHC{O_3}
\end{array}\)

9,

a,

\(\begin{array}{l}
NaHC{O_3} + HCl \to NaCl + C{O_2} + {H_2}O\\
Ca{(OH)_2} + 2HCl \to CaC{l_2} + 2{H_2}O\\
CaC{O_3} + 2HCl \to CaC{l_2} + C{O_2} + {H_2}O
\end{array}\)

b,

\(\begin{array}{l}
Ca{(OH)_2} + N{a_2}C{O_3} \to CaC{O_3} + 2NaOH\\
CaC{l_2} + N{a_2}C{O_3} \to CaC{O_3} + 2NaCl
\end{array}\)

c,\(NaHC{O_3} + NaOH \to N{a_2}C{O_3} + {H_2}O\)

Giải thích các bước giải:

 CÂU 1,

a,CH3COOH+NA→CH3COONA+H2

c, Ca(OH)₂ + 2CH₃COOH → (CH₃COO)₂Ca + 2H₂O

b,2CH₃COOH + Na₂CO₃ → 2CH₃COONa + H₂O + CO₂

d,2CH₃COOH + Mg → H₂ + (CH₃COO)₂Mg

 CÂU 4

1.
C + O₂ → CO₂

2.
CaO + CO₂ → CaCO₃

3.
CaCO₃ → CaO + CO2

4
CaO + H₂O → Ca(OH)₂

5
Ca(OH)₂ + 2CO₂ → Ca(HCO₃)₂

b,

1.
C₂H₄ + H₂O → C₂H₅OH

2
C₂H₅OH + O₂ → CH₃COOH + H₂O

3,
2CH₃COOH + Na₂CO₃ → 2CH₃COONa + H₂O + CO2

4.
CaO + CO₂ → CaCO₃

<sub>câu 9.a, 

NaHCO3+ HCl -> NaCl+ CO2+ H2O 

Ca(OH)2+ 2HCl -> CaCl2+ 2H2O 

CaCO3+ 2HCl -> CaCl2+ CO2+ H2O 

 

b, 

Ca(OH)2+ Na2CO3 -> CaCO3+ 2NaOH 

CaCl2+ Na2CO3 -> CaCO3+ 2NaCl 

c, 

NaHCO3+ NaOH -> Na2CO3+ H2O</sub>

_{câu 5}

_{Mg  + 2 CH3COOH  → (CH3COO)2Mg  + H2}

_{2CH3COOH + MgO → H2O + (CH3COO)2Mg}

_{Ca(OH)2 + 2CH3COOH → (CH3COO)2Ca + 2H2O}