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Sagot :
The balanced reaction is Na2CO3 (aq) + CaCl2(aq) → CaCO3 (s) + 2 NaCl (aq).
A simple way to show how a precipitate is evidence of a chemical reaction is to mix a solution of calcium chloride and sodium carbonate to form a calcium carbonate precipitate. Calcium chloride reacts with sodium sulfate to form a white precipitate of calcium sulfate and a sodium chloride solution.
Both calcium chloride and sodium hydroxide are water-soluble. That is they exist as ions in aqueous solutions. When aqueous solutions of calcium chloride and sodium hydroxide are mixed together, calcium cations combine with hydroxide anions to form calcium hydroxide. The total mass on the reactant side is the same as the total mass on the product side. Therefore, this chemical formula obeys the law of conservation of mass.
Learn more about Sodium carbonate here:-https://brainly.com/question/18458464
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