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> 常温下，某溶液中由水电离出的c（H +）=10 -12mol/L，则该溶液中一定不能大量存在的离子组是（　　） A．Cu2+、NO3-、Cl-、Na+ B．Ca2+、HCO3-、Cl-、K+ C．NH4+、Mg2+、NO3-、SO42- D．Cl-、SO42-、K+、Na+

问题：

发布时间：2024-09-10

常温下，某溶液中由水电离出的c（H ⁺）=10 ^-12mol/L，则该溶液中一定不能大量存在的离子组是（　　）

A．Cu²⁺、NO₃^-、Cl^-、Na⁺ B．Ca²⁺、HCO₃^-、Cl^-、K⁺

C．NH₄⁺、Mg²⁺、NO₃^-、SO₄^2- D．Cl^-、SO₄^2-、K⁺、Na⁺

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提问用户：Ir***Dpa

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常温下，某溶液中由水电离出的c（H +）=10 -12mol/L，则该溶液中一定不能大量存在的离子组是（ ） A．Cu2+、NO3-、Cl-、Na+ B．Ca2+、HCO3-、Cl-、K+ C．NH4+、Mg2+、NO3-、SO42- D．Cl-、SO42-、K+、Na+

可能感兴趣的题目：

常温下，某溶液中由水电离出的c（H ⁺）=10 ^-12mol/L，则该溶液中一定不能大量存在的离子组是（　　）

A．Cu²⁺、NO₃^-、Cl^-、Na⁺ B．Ca²⁺、HCO₃^-、Cl^-、K⁺

C．NH₄⁺、Mg²⁺、NO₃^-、SO₄^2- D．Cl^-、SO₄^2-、K⁺、Na⁺