Sodium Fluoride and Calcium Chloride

2NaF + CaCl2 → CaF2 + 2NaCl

Übersicht

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.

Teilnehmer

Rolle Substanz Koeffizient Zustand
Produkt Calcium Fluoride CaF₂ 1 (s)
Produkt Sodium Chloride NaCl 2 (aq)

Alltägliches Beispiel

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

Industrielle Bedeutung

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

Eigenschaften

Typ
Double Replacement
Reversibel
Nein
Energie
Exotherm
ΔH
-18,0 kJ/mol

Verwandte Reaktionen

Iron(III) Chloride and Sodium Hydroxide Calcium Chloride and Sodium Carbonate Barium Chloride and Sodium Sulfate Precipitation Calcium Hydroxide and Carbon Dioxide (Limewater Test) Magnesium Hydroxide and Hydrochloric Acid (Antacid) Lead Nitrate and Potassium Iodide (Golden Rain) Copper(II) Sulfate and Sodium Hydroxide Sodium Hydroxide and Iron(III) Chloride (Rust Color) Sodium Hydroxide and Hydrochloric Acid Neutralization 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.