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离子共存

> 下列各组离子，在指定条件下能够大量共存的是（　　） A．在AlCl3溶液中：Na+、CO32-、SO42-、NO3- B．pH=0的溶液中：Fe3+、Mg2+、Cl-、SO42- C．加入（NH4）2Fe（SO4）2•6H2O晶体的溶液中：Na+、H+、Cl-、NO3- D．水电离出c（H+）=1×10-10mol•L-1的溶液中：K+、HCO3-、Cl-、S2-

问题：

发布时间：2024-09-12

下列各组离子，在指定条件下能够大量共存的是（　　）

A．在AlCl₃溶液中：Na⁺、CO₃^2-、SO₄^2-、NO₃^-

B．pH=0的溶液中：Fe³⁺、Mg²⁺、Cl^-、SO₄^2-

C．加入（NH₄）₂Fe（SO₄）₂•6H₂O晶体的溶液中：Na⁺、H⁺、Cl^-、NO₃^-

D．水电离出c（H⁺）=1×10^-10mol•L^-1的溶液中：K⁺、HCO₃^-、Cl^-、S^2-

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