Calcium Chloride and Sodium Carbonate

CaCl₂ + Na₂CO₃ → CaCO₃ + 2NaCl

نظرة عامة

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.

المشاركون

الدور	المادة	المعامل	الحالة
متفاعل	Sodium Carbonate Na₂CO₃	1	(aq)
منتج	Calcium Carbonate CaCO₃	1	(s)
منتج	Sodium Chloride NaCl	2	(aq)

مثال من الحياة اليومية

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

الأهمية الصناعية

This reaction is fundamental to industrial water softening, paper manufacturing (calcium carbonate filler), and the Solvay process for sodium carbonate production.

الخصائص

النوع: Double Replacement
قابل للعكس: لا
الطاقة: طارد للحرارة
ΔH: -13,0 kJ/mol

التفاعلات ذات الصلة

Iron(III) Chloride and Sodium Hydroxide Ammonia and Hydrochloric Acid (White Smoke) Calcium Carbonate and Hydrochloric Acid 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 Sodium Carbonate and Hydrochloric Acid Aluminum Hydroxide and Hydrochloric Acid

Frequently Asked Questions

What is the equation for Calcium Chloride and Sodium Carbonate?

The balanced equation is: CaCl₂ + Na₂CO₃ → CaCO₃ + 2NaCl.

What type of reaction is Calcium Chloride and Sodium Carbonate?

Calcium Chloride and Sodium Carbonate is a double replacement reaction.

Is Calcium Chloride and Sodium Carbonate exothermic or endothermic?

Calcium Chloride and Sodium Carbonate is exothermic (releases energy). The enthalpy change (ΔH) is -13.0 kJ/mol.