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离子共存

> 在无色透明溶液中，下列各组中的离子一定能大量共存的是（　　） A．K+、Fe2+、NO3-、H+ B．Na+、Ca2+、Cl-、NO3- C．Na+、H+、Cl-、CO32- D．Na+、Cu2+、OH-、SO42-

问题：

发布时间：2024-09-13

在无色透明溶液中，下列各组中的离子一定能大量共存的是（　　）

A．K⁺、Fe²⁺、NO₃^-、H⁺ B．Na⁺、Ca²⁺、Cl^-、NO₃^-

C．Na⁺、H⁺、Cl^-、CO₃^2- D．Na⁺、Cu²⁺、OH^-、SO₄^2-

参考答案：

提问用户：Ge***0kv

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在无色透明溶液中，下列各组中的离子一定能大量共存的是（ ） A．K+、Fe2+、NO3-、H+ B．Na+、Ca2+、Cl-、NO3- C．Na+、H+、Cl-、CO32- D．Na+、Cu2+、OH-、SO42-

可能感兴趣的题目：

在无色透明溶液中，下列各组中的离子一定能大量共存的是（　　）

A．K⁺、Fe²⁺、NO₃^-、H⁺ B．Na⁺、Ca²⁺、Cl^-、NO₃^-

C．Na⁺、H⁺、Cl^-、CO₃^2- D．Na⁺、Cu²⁺、OH^-、SO₄^2-