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离子共存

> 在给定的四种溶液中加入以下各种离子，各离子能在溶液中大量共存的是（　　） A．滴加甲基橙试液显黄色的溶液 K+、Fe3+、C2O42-、MnO4¯ B．pH值为1的溶液 NH4+、Mg2+、I¯、SO42- C．含有大量S2-的溶液 Cu2+、Na+、SO42-、Cl¯ D．水电离出来的C（H+）=10-13mol/L的溶液 Ba2+、K+、HCO3¯、Br¯

问题：

发布时间：2024-09-07

在给定的四种溶液中加入以下各种离子，各离子能在溶液中大量共存的是（　　）

A．滴加甲基橙试液显黄色的溶液   K⁺、Fe³⁺、C₂O₄^2-、MnO₄¯

B．pH值为1的溶液    NH₄⁺、Mg²⁺、I¯、SO₄^2-

C．含有大量S^2-的溶液    Cu²⁺、Na⁺、SO₄^2-、Cl¯

D．水电离出来的C（H⁺）=10^-13mol/L的溶液  Ba²⁺、K⁺、HCO₃¯、Br¯

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