Sulfurous Acid and Sodium Hydroxide

H2SO3 + 2NaOH → Na2SO3 + 2H2O

Ikhtisar

Sulfurous acid reacts with two equivalents of sodium hydroxide to form sodium sulfite and water. Sulfurous acid is formed when sulfur dioxide dissolves in water and is a diprotic acid. It is unstable and cannot be isolated as a pure substance.

Peserta

Peran Zat Koefisien Keadaan
Reaktan Sodium Hydroxide NaOH 2 (aq)
Produk Water H₂O 2 (l)

Contoh Sehari-hari

Sodium sulfite is used as a preservative in dried fruits and wine, where it prevents oxidation and browning.

Pentingnya dalam Industri

Sodium sulfite is used in the pulp and paper industry, as a photographic fixer component, in water treatment for dechlorination, and as an oxygen scavenger in boiler water.

Frequently Asked Questions

What is the equation for Sulfurous Acid and Sodium Hydroxide?
The balanced equation is: H₂SO₃ + 2NaOH → Na₂SO₃ + 2H₂O.
What type of reaction is Sulfurous Acid and Sodium Hydroxide?
Sulfurous Acid and Sodium Hydroxide is a acid-base reaction.
Is Sulfurous Acid and Sodium Hydroxide exothermic or endothermic?
Sulfurous Acid and Sodium Hydroxide is exothermic (releases energy). The enthalpy change (ΔH) is -106.0 kJ/mol.