Phosphoric Acid Complete Neutralization

H₃PO₄ + 3NaOH → Na₃PO₄ + 3H₂O

Visão geral

Complete neutralization of triprotic phosphoric acid requires three equivalents of sodium hydroxide, producing trisodium phosphate (TSP). The resulting solution is strongly basic because the phosphate ion is a moderately strong base. TSP was once the workhorse of industrial and household cleaning.

Participantes

Papel	Substância	Coeficiente	Estado
Reagente	Phosphoric Acid H₃PO₄	1	(aq)
Reagente	Sodium Hydroxide NaOH	3	(aq)
Produto	Water H₂O	3	(l)

Exemplo do cotidiano

TSP was a common heavy-duty household cleaner for walls and surfaces before phosphate regulations limited its use due to water pollution concerns.

Importância industrial

O fosfato trissódico é utilizado no tratamento de água de caldeiras, como aditivo alimentar e na limpeza pesada. As proibições ambientais de fosfatos reduziram a sua utilização em produtos de consumo.

Propriedades

Tipo: Acid-Base
Reversível: Não
Energia: Exotérmico
ΔH: -173,0 kJ/mol

Reações relacionadas

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 Phosphoric Acid Complete Neutralization?

The balanced equation is: H₃PO₄ + 3NaOH → Na₃PO₄ + 3H₂O.

What type of reaction is Phosphoric Acid Complete Neutralization?

Phosphoric Acid Complete Neutralization is a acid-base reaction.

Is Phosphoric Acid Complete Neutralization exothermic or endothermic?

Phosphoric Acid Complete Neutralization is exothermic (releases energy). The enthalpy change (ΔH) is -173.0 kJ/mol.