Sodium Fluoride and Calcium Chloride

2NaF + CaCl2 → CaF2 + 2NaCl

概要

Sodium fluoride reacts with calcium chloride to form insoluble calcium fluoride (fluorite) and sodium chloride. Calcium fluoride is a mineral used in optics and metallurgy. This precipitation reaction is used in fluoride removal from water.

参加者

役割 物質 係数 状態
生成物 Calcium Fluoride CaF₂ 1 (s)
生成物 Sodium Chloride NaCl 2 (aq)

日常の例

Water treatment plants use calcium salts to remove excess fluoride from water by precipitating insoluble calcium fluoride.

産業上の重要性

フッ化カルシウム（蛍石）は製鉄のフラックス、フッ化水素酸の製造、光学部品に使用される。

特性

タイプ
Double Replacement
可逆的
いいえ
エネルギー
発熱性
ΔH
-18.0 kJ/mol

関連する反応

Iron(III) Chloride and Sodium Hydroxide Ammonia and Hydrochloric Acid (White Smoke) Calcium Carbonate and Hydrochloric Acid Calcium Chloride and Sodium Carbonate Barium Chloride and Sodium Sulfate Precipitation Calcium Hydroxide and Carbon Dioxide (Limewater Test) Sodium Hydroxide and Iron(III) Chloride (Rust Color) Sodium Hydroxide and Hydrochloric Acid Neutralization Potassium Hydroxide and Sulfuric Acid Aluminum Hydroxide and Hydrochloric Acid

Frequently Asked Questions

What is the equation for Sodium Fluoride and Calcium Chloride?
The balanced equation is: 2NaF + CaCl₂ → CaF₂ + 2NaCl.
What type of reaction is Sodium Fluoride and Calcium Chloride?
Sodium Fluoride and Calcium Chloride is a double replacement reaction.
Is Sodium Fluoride and Calcium Chloride exothermic or endothermic?
Sodium Fluoride and Calcium Chloride is exothermic (releases energy). The enthalpy change (ΔH) is -18.0 kJ/mol.