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离子共存

> 下列各组离子在溶液中能大量共存的是 [ ] A．酸性溶液Na +、K +、MnO 4 -、Br - B．酸性溶液Fe 3+、NH 4 +、SCN -、NO 3 - C．碱性溶液Na +、K +、AlO 2 -、SO 4 2- D．碱性溶液Ba 2+、Na +、CO 3 2-、Cl -

问题：

发布时间：2024-09-08

下列各组离子在溶液中能大量共存的是
[ ]
A．酸性溶液Na ⁺、K ⁺、MnO ₄ ^-、Br ^- B．酸性溶液Fe ³⁺、NH ₄ ⁺、SCN ^-、NO ₃ ^- C．碱性溶液Na ⁺、K ⁺、AlO ₂ ^-、SO ₄ ^2- D．碱性溶液Ba ²⁺、Na ⁺、CO ₃ ^2-、Cl ^-

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