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离子共存

> 在pH＝1的无色溶液中能大量共存的离子组是 [ ] A. NH 4 +、Mg 2+、SO 4 2-、Cl - B. Ba 2+、K +、OH -、NO 3 - C. Al 3+、Cu 2+、SO 4 2-、Cl - D. Na +、Ca 2+、Cl -、AlO 2 -

问题：

发布时间：2024-09-07

在pH＝1的无色溶液中能大量共存的离子组是
[ ]
A. NH ₄ ⁺、Mg ²⁺、SO ₄ ^2-、Cl ^-
B. Ba ²⁺、K ⁺、OH ^-、NO ₃ ^-
C. Al ³⁺、Cu ²⁺、SO ₄ ^2-、Cl ^-D. Na ⁺、Ca ²⁺、Cl ^-、AlO ₂ ^-

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