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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 －13mol/L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：2024-09-11

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 ^－13mol/L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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