Sulfurous Acid and Sodium Hydroxide
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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.
Sifat
- Jenis
- Acid-Base
- Dapat Dibalik
- Tidak
- Energi
- Eksoterm
- ΔH
- -106,0 kJ/mol