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离子共存

> 某无色透明的溶液中可能大量共存的离子组是 [ ] A．H +、NH 4 +、Al 3+、SO 4 2- B．Mg 2+、Ca 2+、OH -、NO 3 - C．K +、Na +、MnO 4 -、NO 3 - D．Na +、Ca 2+、OH -、HCO 3 -

问题：

发布时间：2024-09-08

某无色透明的溶液中可能大量共存的离子组是
[ ]
A．H ⁺、NH ₄ ⁺、Al ³⁺、SO ₄ ^2-
B．Mg ²⁺、Ca ²⁺、OH ^-、NO ₃ ^-C．K ⁺、Na ⁺、MnO ₄ ^-、NO ₃ ^-
D．Na ⁺、Ca ²⁺、OH ^-、HCO ₃ ^-

参考答案：

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