염화칼슘과 탄산나트륨

CaCl2 + Na2CO3 → CaCO3 + 2NaCl

개요

Calcium chloride reacts with sodium carbonate to form insoluble calcium carbonate precipitate and sodium chloride. This is the basis of the water softening process where dissolved calcium ions are removed as insoluble carbonate. The white precipitate settles as chalk-like material.

참여 물질

역할 물질 계수 상태
반응물 탄산나트륨 Na₂CO₃ 1 (aq)
생성물 탄산칼슘 CaCO₃ 1 (s)
생성물 염화나트륨 NaCl 2 (aq)

일상 속 예시

Water softening systems in homes remove calcium hardness by precipitating calcium carbonate, reducing limescale buildup in pipes and appliances.

산업적 중요성

이 반응은 산업용 연수화, 제지 제조(탄산칼슘 충전재), 그리고 탄산나트륨 생산을 위한 솔베이 공정의 근간입니다.

자주 묻는 질문

What is the equation for 염화칼슘과 탄산나트륨?
The balanced equation is: CaCl₂ + Na₂CO₃ → CaCO₃ + 2NaCl.
What type of reaction is 염화칼슘과 탄산나트륨?
염화칼슘과 탄산나트륨 is a 이중 치환 reaction.
Is 염화칼슘과 탄산나트륨 exothermic or endothermic?
염화칼슘과 탄산나트륨 is exothermic (releases energy). The enthalpy change (ΔH) is -13.0 kJ/mol.