CH3-COONa->CH3-COOH->CH3-COOC2H5OH->CH3-COOH
1. 2CH₃COONa + H₂SO₄ = 2CH₃COOH + Na₂SO₄ 2. CH₃COOH + C₂H₅OH =(в прис. H₂SO₄; t⁰) CH₃COOCH₃CH₂ + H₂O 3. CH₃COOCH₃CH₂ + H₂O = CH₃COOH + C₂H₅OH