Помогите решить очень срочно CH3COOH+MgO= CH3COOH+NaSO4= CH3COOH+C2H3OH=
1)2СH₃COOH+MgO=(CH₃COO)₂Mg+H₂O 2)2CH₃COOH+Na₂SO₄=1CH₃COONa+H₂SO₄ 3)CH₃COOH+C₂H₃OH=CH₃COOC₂H₃+H₂O