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离子共存

> 某溶液能溶解Al(OH) 3，则此溶液中一定能大量共存的离子组是 [ ] A．Mg 2+ 、Cl -、Na +、NO 3 - B．K +、Na +、NO 3 -、HCO 3 - C．Na +、Ba 2+、Cl -、NO 3 - D．Fe 3+、Na +、AlO 2 -、SO 4 2-

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发布时间：2024-09-09

某溶液能溶解Al(OH) ₃，则此溶液中一定能大量共存的离子组是
[ ]
A．Mg ²⁺ 、Cl ^-、Na ⁺、NO ₃ ^-B．K ⁺、Na ⁺、NO ₃ ^-、HCO ₃ ^-
C．Na ⁺、Ba ²⁺、Cl ^-、NO ₃ ^-D．Fe ³⁺、Na ⁺、AlO ₂ ^-、SO ₄ ^2-

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