85问答库 > 在0.1 mol·L-1　KCl、KBr、KI混合溶液中,逐滴加入AgNO3溶液, 最先产生的沉淀是

在0.1 mol·L-1　KCl、KBr、KI混合溶液中,逐滴加入AgNO3溶液, 最先产生的沉淀是

2025-04-02 07:50:49
推荐回答（3个）
回答1：

选C，溶度积小的先沉淀。
阴离子的浓度都是相同的，c(Ag+)=√Ksp，Ksp越小，沉淀需要Ag+的浓度越小，所以溶度积小的先沉淀。
溶度积：AgCl>AgBr>AgI

回答2：

A

回答3：

AgI 因为I的电离子的半径最大

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