柠檬酸和碳酸氢钠反应的化学方程式

2024-11-15 17:43:30
推荐回答(3个)
回答1:

3NaHCO₃+C₆H₈O₇=C₆H₅O₇Na₃+3H₂O+3CO₂↑。

柠檬酸和碳酸氢钠反应会生成柠檬酸钠、水和二氧化碳。

柠檬酸钠在食品、饮料工业中用作酸度调节剂、风味剂、稳定剂;在医药工业中用作抗血凝剂、化痰药和利尿药;在洗涤剂工业中,可替代三聚磷酸钠作为无毒洗涤剂的助剂;还用于酿造、注射液、摄影药品和电镀等。



扩展资料

从结构上讲柠檬酸是一种三羧酸类化合物,并因此而与其他羧酸有相似的物理和化学性质。加热至175 ℃时它会分解产生二氧化碳和水,剩余一些白色晶体。柠檬酸是一种较强的有机酸,有3个H⁺可以电离; 加热可以分解成多种产物,与酸、碱、甘油等发生反应。

参考资料:百度百科-柠檬酸

回答2:

3NaHCO3+C6H8O7=C6H5O7Na3+3H2O+3CO2↑虽然柠檬酸(也叫枸橼酸),化学名称2-羟基丙三羧酸,有无水和一水两种,反应起来都是溶液反应,直接用C6H8O7表示就行,生成柠檬酸钠,水和二氧化碳。

回答3:

柠檬酸结构画起来复杂 它是2-羟基丙烷-1,2,3-三羧酸
有三个羧基 所以1mol柠檬酸可以与3molNaHCO3反应
CH2COOH CH2COONa
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HO-C-COOH + 3NaHCO3 = HO-C-COONa + 3H2O + 3CO2
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CH2COOH CH2COONa

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