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离子共存

> 已知某溶液中存在较多的H +、SO 4 2-、NO 3 -，则溶液中还可能大量存在的离子组是 [ ] A．Al 3+、CH 3COO -、Cl - B．Na +、NH 4 +、Cl - C．Mg 2+、Cl -、Fe 2+ D．Mg 2+、Ba 2+、Br -

问题：

发布时间：2024-09-13

已知某溶液中存在较多的H ⁺、SO ₄ ^2-、NO ₃ ^-，则溶液中还可能大量存在的离子组是
[ ]
A．Al ³⁺、CH ₃COO ^-、Cl ^-
B．Na ⁺、NH ₄ ⁺、Cl ^-
C．Mg ²⁺、Cl ^-、Fe ²⁺
D．Mg ²⁺、Ba ²⁺、Br ^-

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