Citric Acid and Sodium Hydroxide

C6H8O7 + 3NaOH → Na3C6H5O7 + 3H2O

概述

Citric acid is a triprotic acid that reacts with three equivalents of NaOH to form trisodium citrate and water. The three pKa values (3.13, 4.76, 6.40) create a broad buffering range. Sodium citrate is an important anticoagulant and food additive.

参与者

角色 物质 系数 状态
反应物 Citric Acid C₆H₈O₇ 1 (aq)
反应物 Sodium Hydroxide NaOH 3 (aq)
产物 Water H₂O 3 (l)

日常示例

Sodium citrate is used in blood collection tubes to prevent clotting and in soft drinks to provide a tart flavor.

工业重要性

柠檬酸三钠用于血库、食品防腐剂和乳化剂、洗涤剂中的磷酸盐替代品,以及药物制剂。

属性

类型
Acid-Base
可逆
否
能量
放热
ΔH
-155.0 kJ/mol

相关反应

Hydrochloric Acid and Barium Hydroxide Acetic Acid and Sodium Acetate Buffer System Acetic Acid Dissociation in Water Ammonia and Hydrochloric Acid Ascorbic Acid and Sodium Hydroxide Barium Hydroxide and Ammonium Thiocyanate (Endothermic) Carbonic Acid and Sodium Hydroxide Aluminum Hydroxide as Amphoteric Acid with NaOH Aluminum Chloride and Chloride Ion (Lewis Acid-Base) Formic Acid and Sodium Hydroxide

Frequently Asked Questions

What is the equation for Citric Acid and Sodium Hydroxide?
The balanced equation is: C₆H₈O₇ + 3NaOH → Na₃C₆H₅O₇ + 3H₂O.
What type of reaction is Citric Acid and Sodium Hydroxide?
Citric Acid and Sodium Hydroxide is a acid-base reaction.
Is Citric Acid and Sodium Hydroxide exothermic or endothermic?
Citric Acid and Sodium Hydroxide is exothermic (releases energy). The enthalpy change (ΔH) is -155.0 kJ/mol.