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H2O Formation Equation.


NaOH(aq) < = > Na+(aq) + OH-(aq)



H3Cit(aq) < = > H+(aq) + H2Cit-(aq)



H2Cit-(aq) < = > H+(aq) + HCit=(aq)



HCit=(aq) < = > H+(aq) + Cit-3(aq)



OH-(aq) + H+(aq) < = > H2O


An hydroxide ion (OH-) is basic or alkaline

An hydrogen ion (H+) is acidic.

An water molecule (H2O) is neutral

It can be seen from the above equations that it requires three molecules of NaOH (sodium hydroxide) to neutralize one molecule of H2Cit (Citric Acid).