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离子共存

> 下列各组离子在指定溶液b能大量共存的是（　　） A．无色溶液中：K+、Na+、MnO4-、SO42- B．pH=11的溶液中：CO32-、Na+、SO32- C．由水电离出的c（OH-）=10-13mol•L-1的溶液中：Na+、Ba2+、Cl-、HCO3- D．酸性溶液中：Fe2+、Al3+、NO3-、I-

问题：

发布时间：2024-09-11

下列各组离子在指定溶液b能大量共存的是（　　）

A．无色溶液中：K⁺、Na⁺、MnO₄^-、SO₄^2-

B．pH=11的溶液中：CO₃^2-、Na⁺、SO₃^2-

C．由水电离出的c（OH^-）=10^-13mol•L^-1的溶液中：Na⁺、Ba²⁺、Cl^-、HCO₃^-

D．酸性溶液中：Fe²⁺、Al³⁺、NO₃^-、I^-

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