HBr + NaOH → NaBr + H2O

Balanced Chemical Equation – Solution

HBr + NaOH → NaBr + H2O

Equation is already balanced.

The coefficients show the number of particles (atoms or molecules), and the indices show the number of atoms that make up the molecule. New substances are formed as a result of the rearrangement of the original atoms. As a result of a chemical reaction, atoms of chemical elements do not disappear anywhere and new ones do not appear, their number remains unchanged – this follows from the law of conservation of mass of substances.

Chemical Reaction Information

This is an acid-base reaction (neutralization): HBr is an acid, NaOH is a base.

Hydrobromic Acid + Sodium Hydroxide = Sodium Bromide + Water

Reaction Type

Double Displacement (Acid-Base)

Substances that react are called starting materials or reactants. The substances that form as a result are called reaction products.


HBr – Hydrogen bromide

  • Other names: Hydrobromic acid.
  • Appearance: Colorless gas.


  • Names: Sodium hydroxide.
  • Appearance: White, waxy, opaque crystals.


NaBr – Sodium bromide

  • Other names: Bromide salt of sodium.
  • Appearance: White powder, hygroscopic.

H2O – Water, oxidane

  • Other names: Water (H2O), Hydrogen oxide, Hydrogen hydroxide.
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas.
Similar Examples of Equalizing a Chemical Reaction
NaOH + HBr + Cr(NO3)3 → H2O + NO2 + NaBr + Na2CrO4
NaOH + HBr → H2O + NaBr
NaOH + HBr → NaBr + HOH

Alexander Stephenson

Candidate of Chemical Sciences, editor-in-chief of Guide-scientific.com. Lecturer at several international online schools, member of the jury of chemistry competitions and author of scientific articles.

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