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碳酸氢钠和碳酸钠的水解和电离方程式

2025-04-07 03:30:15

推荐回答（1个）

回答（1）：

碳酸氢钠水解
HCO3-
+
H2O
=
H2CO3
+
OH-
碳酸氢钠电离
HCO3-
=
CO32-
+
H+
碳酸钠水解
CO32-
+
H2O
=
HCO3-
+
OH-主要发生这个水解反应
极少量HCO3-能发生二次水解：HCO3-
+
H2O
=
H2CO3
+
OH-，相对于前一个水解，第二个水解可以忽略不计。
碳酸钠不发生电离。

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