A hydrogen atom in amolecule that enters into a dissociation e-quilibrium when the molecule is dissolvedin a solvent. For example,in ethanoic acid(CH3COOH)the acidic hydrogen is the oneon the carboxyl group,—COOH.当分子溶于溶剂时,分子中参与解离平衡的氢原子。例如,在醋酸(CH......(本文共 241 字) [阅读本文] >>