w miejsce liter A i B wpisac wzory grupowe odpowiednich substancji.
NaOH HCl
1) glicyna ---------> A --------> B
HCl NaOH
2) alanina ---------> A --------> B
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1)
NH2 - CH2 - COOH + NaOH -> NH2 - CH2 - COONa + H2O
NH2 - CH2 - COONa + HCl -> NH3⁺Cl⁻ - CH2 - COONa
2) NH2 - CH(CH3) - COOH + HCl -> NH3⁺Cl⁻ - CH(CH3) - COOH
NH3⁺Cl⁻ - CH(CH3) - COOH + NaOH -> NH3⁺Cl⁻ - CH(CH3) - COONa + H2O