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离子共存

> 在下列各溶液中，离子一定能大量共存的是 [ ] A．pH=1的溶液中：HCO 3 -、NH 4 +、NO 3 -、Ca 2+ B．在强碱性溶液中：Na +、K +、AlO 2 -、Cl - C．无色溶液中：Fe 3+、MnO 4 -、Cl -、H + D．由水电离出的c(H +)=10 -12 mol/L的溶液中：ClO -、Na +、SO 3 2-、K +

问题：

发布时间：2024-09-13

在下列各溶液中，离子一定能大量共存的是
[ ]
A．pH=1的溶液中：HCO ₃ ^-、NH ₄ ⁺、NO ₃ ^-、Ca ²⁺
B．在强碱性溶液中：Na ⁺、K ⁺、AlO ₂ ^-、Cl ^-C．无色溶液中：Fe ³⁺、MnO ₄ ^-、Cl ^-、H ⁺D．由水电离出的c(H ⁺)=10 ^-12 mol/L的溶液中：ClO ^-、Na ⁺、SO ₃ ^2-、K ⁺

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