Sodium Fluoride and Calcium Chloride

2NaF + CaCl₂ → CaF₂ + 2NaCl

Обзор

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.

Участники

Роль	Вещество	Коэффициент	Состояние
Продукт	Calcium Fluoride CaF₂	1	(s)
Продукт	Sodium Chloride NaCl	2	(aq)

Пример из жизни

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

Промышленное значение

Calcium fluoride (fluorite or fluorspar) is used as a flux in steelmaking, in the production of hydrofluoric acid, and in optical components.

Свойства

Тип: Double Replacement
Обратимая: Нет
Энергия: Экзотермическая
ΔH: -18,0 kJ/mol

Связанные реакции

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.