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好吧问答库 > 这句话什么意思“复分解反应使溶液中离子浓度降低，化学反应即向着离子浓度降低的方向进行”

这句话什么意思“复分解反应使溶液中离子浓度降低，化学反应即向着离子浓度降低的方向进行”

举例解释，谢谢

2025年04月07日 05:48

有1个网友回答

网友（1）：

复分解反应发生条件是生成不溶于水的沉淀或水或气体，这三种都不会在水中电离，水中离子就相应减少，浓度降低．

如：NaOH + HCl == NaCl + H2O

反应物都溶，但生成物水不易电离，离子数减少，溶液质量不变，离子浓度降低

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