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应用热力学方法计算了碱－碳酸盐反应中的平衡ＣＯ２－３离子浓度以及由Ｃａ（ＯＨ）２水解控制的ＣＯ２－３离子浓度。结果表明，由Ｃａ（ＯＨ）２水解控制的ＣＯ２－３离子浓度小于碱－碳酸盐反应中的平衡ＣＯ２－３离子浓度。这表明Ｃａ（ＯＨ）２水解为碱－碳酸盐反应的进行提供了必要条件，揭示了碱－碳酸盐反应的热力学本质
The equilibrium CO2-3 ion concentration in alkali-carbonate reaction and CO2-3 ion concentration controlled by Ca (OH) 2 hydrolysis were calculated by thermodynamic method. The results show that the CO2-3 ion concentration controlled by Ca (OH) 2 hydrolysis is less than the equilibrium CO2-3 ion concentration in the alkali-carbonate reaction. This suggests that the hydrolysis of Ca (OH) 2 provides the necessary conditions for the alkali-carbonate reaction to reveal the thermodynamic nature of the alkali-carbonate reaction