Sulfurous Acid and Sodium Hydroxide
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H2SO3 + 2NaOH → Na2SO3 + 2H2O
نظرة عامة
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.
المشاركون
| الدور | المادة | المعامل | الحالة |
|---|---|---|---|
| متفاعل | Sodium Hydroxide NaOH | 2 | (aq) |
| منتج | Water H₂O | 2 | (l) |
مثال من الحياة اليومية
Sodium sulfite is used as a preservative in dried fruits and wine, where it prevents oxidation and browning.
الأهمية الصناعية
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.
الخصائص
- النوع
- Acid-Base
- قابل للعكس
- لا
- الطاقة
- طارد للحرارة
- ΔH
- -106,0 kJ/mol