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离子共存

> 下列各组离子在溶液中能大量共存，且加人过量NaOH溶液或过量稀盐酸均能得到澄清溶液的是 [ ] A．Al 3+、Na +、SO 4 2-、NO 3 - B．K +、Na +、SiO 3 2-、ClO - C．Fe 2+、K +、SO 4 2-、Cl - D．Ca 2+、Mg 2+、HCO 3 -、NO 3 -

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发布时间：2024-09-12

下列各组离子在溶液中能大量共存，且加人过量NaOH溶液或过量稀盐酸均能得到澄清溶液的是
[ ]
A．Al ³⁺、Na ⁺、SO ₄ ^2-、NO ₃ ^-B．K ⁺、Na ⁺、SiO ₃ ^2-、ClO ^-C．Fe ²⁺、K ⁺、SO ₄ ^2-、Cl ^-D．Ca ²⁺、Mg ²⁺、HCO ₃ ^-、NO ₃ ^-

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下列各组离子在溶液中能大量共存，且加人过量NaOH溶液或过量稀盐酸均能得到澄清溶液的是 [ ] A．Al 3+、Na +、SO 4 2-、NO 3 -B．K +、Na +、SiO 3 2-、ClO -C．Fe 2+、K +、SO 4 2-、Cl -D．Ca 2+、Mg 2+、HCO 3 -、NO 3 -

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