Fe(OH)3 + 3CH3COOH = Fe(CH3COO)3 + 3H2O
Zn + 2CH3COOH = Zn(CH3COO)2 +2H2O
CaCO3 + CH3COOH = Ca(CH3COO)2 +2H2O
CH3COOH + Cl2 = CH2ClCOOH + HCl
CH3COOH + CH3CH2CH2OH = CH3COOCH2CH2CH3 + H2O
то есть 3)
Fe(OH)3 + 3CH3COOH = Fe(CH3COO)3 + 3H2O
Zn + 2CH3COOH = Zn(CH3COO)2 +2H2O
CaCO3 + CH3COOH = Ca(CH3COO)2 +2H2O
CH3COOH + Cl2 = CH2ClCOOH + HCl
CH3COOH + CH3CH2CH2OH = CH3COOCH2CH2CH3 + H2O
то есть 3)