Hydrochloric Acid and Sodium Hydroxide Neutralization

HCl + NaOH → NaCl + H2O

Overview

The quintessential strong acid-strong base neutralization reaction producing sodium chloride and water. The net ionic equation is simply H⁺ + OH⁻ → H₂O. The enthalpy of neutralization for any strong acid-strong base pair is approximately -57.1 kJ/mol because the reaction is fundamentally the same.

Participants

Role Substance Coefficient State
Reactant Hydrochloric Acid HCl 1 (aq)
Reactant Sodium Hydroxide NaOH 1 (aq)
Product Sodium Chloride NaCl 1 (aq)
Product Water H₂O 1 (l)

Everyday Example

This reaction is used in chemistry titration labs worldwide to teach the concept of neutralization and equivalence points.

Industrial Importance

Strong acid-base neutralization is fundamental to chemical manufacturing, wastewater treatment, and pH adjustment in countless industrial processes.

Properties

Type
Acid-Base
Reversible
No
Energy
Exothermic
ΔH
-57.1 kJ/mol

Related Reactions

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

Frequently Asked Questions

What is the equation for Hydrochloric Acid and Sodium Hydroxide Neutralization?
The balanced equation is: HCl + NaOH → NaCl + H₂O.
What type of reaction is Hydrochloric Acid and Sodium Hydroxide Neutralization?
Hydrochloric Acid and Sodium Hydroxide Neutralization is a acid-base reaction.
Is Hydrochloric Acid and Sodium Hydroxide Neutralization exothermic or endothermic?
Hydrochloric Acid and Sodium Hydroxide Neutralization is exothermic (releases energy). The enthalpy change (ΔH) is -57.1 kJ/mol.