Sodium Fluoride and Calcium Chloride

2NaF + CaCl₂ → CaF₂ + 2NaCl

Tổng quan

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.

Người tham gia

Vai trò	Chất	Hệ số	Trạng thái
Sản phẩm	Calcium Fluoride CaF₂	1	(s)
Sản phẩm	Sodium Chloride NaCl	2	(aq)

Ví dụ thực tế

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

Tầm quan trọng công nghiệp

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

Tính chất

Loại: Double Replacement
Thuận nghịch: Không
Năng lượng: Tỏa nhiệt
ΔH: -18,0 kJ/mol

Phản ứng liên quan

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.