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离子共存

> 在溶液中加入足量Na 2O 2后仍能大量共存的离子组是（　　） A．NH4+、Ba2+、Cl-、NO3- B．K+、AlO2-、Cl-、SO42- C．Ca2+、Mg2+、NO3-、HCO3- D．Na+、Cl-、CO32-、SO32-

问题：

发布时间：2024-09-13

在溶液中加入足量Na ₂O ₂后仍能大量共存的离子组是（　　）

A．NH₄⁺、Ba²⁺、Cl^-、NO₃^- B．K⁺、AlO₂^-、Cl^-、SO₄^2-

C．Ca²⁺、Mg²⁺、NO₃^-、HCO₃^- D．Na⁺、Cl^-、CO₃^2-、SO₃^2-

参考答案：

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在溶液中加入足量Na 2O 2后仍能大量共存的离子组是（ ） A．NH4+、Ba2+、Cl-、NO3- B．K+、AlO2-、Cl-、SO42- C．Ca2+、Mg2+、NO3-、HCO3- D．Na+、Cl-、CO32-、SO32-

可能感兴趣的题目：

在溶液中加入足量Na ₂O ₂后仍能大量共存的离子组是（　　）

A．NH₄⁺、Ba²⁺、Cl^-、NO₃^- B．K⁺、AlO₂^-、Cl^-、SO₄^2-

C．Ca²⁺、Mg²⁺、NO₃^-、HCO₃^- D．Na⁺、Cl^-、CO₃^2-、SO₃^2-