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碳酸钠和水反应吗
更新时间: 2020-10-31 00:00:00  

碳酸钠与水反应生成NaHCO3。Na2CO3+H2O=====NaHCO3+NaOH水解百反应,由于碳酸钠在水溶液中水解,电离出的碳酸根离子与水中氢离子结合成碳酸氢根离子,导致溶液中氢离子减少,剩下电离的氢氧根离子,所以溶液pH显碱性。

由于碳酸根可以结合水中的质子(即氢离子)生度成碳酸氢根和碳酸,并且能结合酸中的质子释放二氧化碳。所以碳酸钠在酸碱质子理论中属于布朗斯特碱。

关键词: 碳酸钠 反应

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