A hydrogen atom in amolecule that enters into a dissociation equi-librium when the molecule is dissolved in asolvent. For example,in ethanoic acid(CH3COOH) the acidic hydrogen is the oneon the carboxyl group,-COOH分子溶解在溶劑中時進入解離平衡的分子中氫原子。 例如乙酸(CH3CO......(本文共 238 字) [閱讀本文] >>