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2020-07-29View Original

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本帖最后由 青涩年华 于 2020-7-29 08:19 编辑 选择题: 各物质浓度均为0.1 moldm-3 的下列水溶液中,其pH值最小的是:θb(NH3)=1.77×10-5,Kθa(CH3COOH)= 1.77×10-5) (A)NH4Cl (B)NH3 (C)CH3COOH (D)CH3COOH+CH3COONa 答案:C 提示:能阐述出解题过程的给予额外奖励,答案回复可见
Reply #22020-07-31
各物质浓度均为0.1 moldm-3 的下列水溶液中,其pH值最小的是: (C)CH3COOH

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