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> 向含有Fe 2+，Al 3+，NH 4 +，Na +的溶液中加入过量的Na 2O 2固体，微热溶液使其充分反应，再通入过量的HCl气体，则反应前后此溶液中离子浓度基本保持不变的是（　　） A．Fe2+ B．Al3+ C．NH4+ D．Na+

问题：

发布时间：2024-09-11

向含有Fe ²⁺，Al ³⁺，NH ₄ ⁺，Na ⁺的溶液中加入过量的Na ₂O ₂固体，微热溶液使其充分反应，再通入过量的HCl气体，则反应前后此溶液中离子浓度基本保持不变的是（　　）

A．Fe²⁺ B．Al³⁺ C．NH₄⁺ D．Na⁺

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向含有Fe 2+，Al 3+，NH 4 +，Na +的溶液中加入过量的Na 2O 2固体，微热溶液使其充分反应，再通入过量的HCl气体，则反应前后此溶液中离子浓度基本保持不变的是（ ） A．Fe2+ B．Al3+ C．NH4+ D．Na+

可能感兴趣的题目：

向含有Fe ²⁺，Al ³⁺，NH ₄ ⁺，Na ⁺的溶液中加入过量的Na ₂O ₂固体，微热溶液使其充分反应，再通入过量的HCl气体，则反应前后此溶液中离子浓度基本保持不变的是（　　）

A．Fe²⁺ B．Al³⁺ C．NH₄⁺ D．Na⁺