苹果酸和NaHCO3完全反应化学方程式 风靡全球的饮料果醋中含有苹果酸（MLA），其分子式为C4H6...
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苹果酸pKa1 = 3.40, pKa2 = 5.20
碳酸pKa1 = 6.50,
苹果酸pKa2 小于 碳酸pKa1，所以苹果酸的二级电离，强于H2CO3的电离，所以可以生成H2CO3。HOOCCH2CHOHCOOH + 2NaHCO3 = NaOOCCH2CHOHCOONa + 2H2O + 2CO2↑
虽然这个是涉及有机物的反应，但本质上，这个是强酸制弱酸，反应几乎可以定量进行，所以可以用等号（类比醋酸和小苏打的反应，用的也是等号）。
苹果酸即2-羟基丁二酸，是一个二羧酸，化学式 为HO2CCH2CHOHCO2H。所以反应为HOOCCH2CHOHCOOH+2NaHCO3------NaOOCCH2CHOHCOONa+2H2O+2CO2↑
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