APP 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.當(dāng)溶質(zhì)分子溶解在溶劑中達(dá)解離平衡時(shí),進(jìn)入溶劑分子的氫原子。例如......（本文共 234 字） [閱讀本文] >>
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