A hydrogen atom in a mole-cule that enters into a dissociation equilibriumwhen the molecule is dissolved in a sol-vent. For example,in acetic acid(CH3COOH)the acidic hydrogen is the oneon the carboxyl group,-COOH.当溶质分子溶解在溶剂中达解离平衡时,进入溶剂分子的氢原子。例如......(本文共 234 字) [阅读本文] >>