Sodium Fluoride and Calcium Chloride

2NaF + CaCl2 → CaF2 + 2NaCl

개요

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.

참여 물질

역할 물질 계수 상태
생성물 Calcium Fluoride CaF₂ 1 (s)
생성물 Sodium Chloride NaCl 2 (aq)

일상 속 예시

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

산업적 중요성

플루오린화칼슘(형석 또는 플루오라이트)은 제강의 융제, 플루오린화 수소 생산, 광학 부품에 사용됩니다.

성질

유형
Double Replacement
가역 반응
아니오
에너지
발열
ΔH
-18.0 kJ/mol

관련 반응

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.