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第 17: 17按酸碱质子理论考虑，在水溶液中既可作酸亦可作碱的物质是 ( )

A、Cl－

B、NH4＋

C、HCO3－

D、H3O＋

时间：2021-09-03 16:36 关键词：文鼎教育乐山师范学院无机化学及实验 A卷

答案解析

C@#@C

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