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离子共存

> 某溶液中含有大量Fe 2+、Fe 3+、Mg 2+和NH 4 +，且c（H +）=0.1mol•L -1，则在该溶液中可以大量存在的阴离子是（　　） A．SO42- B．NO3- C．SCN- D．CO32-

问题：

发布时间：2024-09-12

某溶液中含有大量Fe ²⁺、Fe ³⁺、Mg ²⁺和NH ₄ ⁺，且c（H ⁺）=0.1mol•L ^-1，则在该溶液中可以大量存在的阴离子是（　　）

A．SO₄^2- B．NO₃^- C．SCN^- D．CO₃^2-

参考答案：

提问用户：Al***3r2

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某溶液中含有大量Fe 2+、Fe 3+、Mg 2+和NH 4 +，且c（H +）=0.1mol•L -1，则在该溶液中可以大量存在的阴离子是（ ） A．SO42- B．NO3- C．SCN- D．CO32-

可能感兴趣的题目：

某溶液中含有大量Fe ²⁺、Fe ³⁺、Mg ²⁺和NH ₄ ⁺，且c（H ⁺）=0.1mol•L ^-1，则在该溶液中可以大量存在的阴离子是（　　）

A．SO₄^2- B．NO₃^- C．SCN^- D．CO₃^2-