Sulfurous Acid and Sodium Hydroxide
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H2SO3 + 2NaOH → Na2SO3 + 2H2O
概要
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.
参加者
| 役割 | 物質 | 係数 | 状態 |
|---|---|---|---|
| 反応物 | Sodium Hydroxide NaOH | 2 | (aq) |
| 生成物 | Water H₂O | 2 | (l) |
日常の例
Sodium sulfite is used as a preservative in dried fruits and wine, where it prevents oxidation and browning.
産業上の重要性
亜硫酸ナトリウムはパルプ・製紙産業、写真定着液の成分、水処理の脱塩素、ボイラー水の酸素除去剤として使用される。
特性
- タイプ
- Acid-Base
- 可逆的
- いいえ
- エネルギー
- 発熱性
- ΔH
- -106.0 kJ/mol
関連する反応
Hydrochloric Acid and Barium Hydroxide
Acetic Acid and Sodium Acetate Buffer System
Acetic Acid Dissociation in Water
Ammonia and Hydrochloric Acid
Ascorbic Acid and Sodium Hydroxide
Barium Hydroxide and Ammonium Thiocyanate (Endothermic)
Carbonic Acid and Sodium Hydroxide
Aluminum Hydroxide as Amphoteric Acid with NaOH
Aluminum Chloride and Chloride Ion (Lewis Acid-Base)
Formic Acid and Sodium Hydroxide
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.