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.