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离子共存

> 一定能在下列无色溶液中大量共存的离子组是 [ ] A．c(H +)=1×10 -13 mol·L -1的溶液：Na +、Ba 2+、HCO 3 -、SO 4 2- B．在pH=1的溶液中：K +、Fe 2+、Cl -、NO 3 - C．在能使紫色的石蕊试液变红的溶液中：Na +、NH 4 +、SO 4 2-、Cl - D．加入铝单质能产生大量氢气的溶液：Na +、NO 3 -、SO 4 2-、Cl -

问题：

发布时间：2024-09-07

一定能在下列无色溶液中大量共存的离子组是
[ ]
A．c(H ⁺)=1×10 ^-13 mol·L ^-1的溶液：Na ⁺、Ba ²⁺、HCO ₃ ^-、SO ₄ ^2-
B．在pH=1的溶液中：K ⁺、Fe ²⁺、Cl ^-、NO ₃ ^-C．在能使紫色的石蕊试液变红的溶液中：Na ⁺、NH ₄ ⁺、SO ₄ ^2-、Cl ^-
D．加入铝单质能产生大量氢气的溶液：Na ⁺、NO ₃ ^-、SO ₄ ^2-、Cl ^-

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