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离子共存

> 下列各组离子在指定环境中一定大量共存的是（　　） A．在c（HCO3-）=0.1mol/L的溶液中：NH4+、Cl-、Al3+、NO3- B．在pH=13的溶液中：K+、SO32-、S2-、Na+ C．在由水电离出的c（H+）=1×10-13mol/L的溶液中：Fe3+、Cl-、Na+、SO42- D．在pH=1的溶液中：NO3-、SO42-、Fe2+、Na+

问题：

发布时间：2024-09-13

下列各组离子在指定环境中一定大量共存的是（　　）

A．在c（HCO₃^-）=0.1mol/L的溶液中：NH₄⁺、Cl^-、Al³⁺、NO₃^-

B．在pH=13的溶液中：K⁺、SO₃^2-、S^2-、Na⁺

C．在由水电离出的c（H⁺）=1×10^-13mol/L的溶液中：Fe³⁺、Cl^-、Na⁺、SO₄^2-

D．在pH=1的溶液中：NO₃^-、SO₄^2-、Fe²⁺、Na⁺

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