The equation Na2CO3 + CaCl2 -> 2NaCl + CaCO3

  1. Detailed information about the chemical equation: Na2CO3 + CaCl2 -> 2NaCl + CaCO3:

    • This is a chemical equation representing the exchange reaction between sodium carbonate (Na2CO3) and calcium chloride (CaCl2), resulting in the production of sodium chloride (NaCl) and calcium carbonate (CaCO3).
    • Sodium carbonate and calcium chloride are the reactants, located on the left side of the arrow in the chemical equation.
    • Sodium chloride and calcium carbonate are the reaction products, located on the right side of the arrow in the chemical equation.

  2. Reaction conditions:

    • This reaction occurs under normal conditions: room temperature and atmospheric pressure.
    • The reactants need to be mixed together in a solution.

  3. Reaction process:

    • When sodium carbonate and calcium chloride come into contact with each other in solution, the sodium, carbonate, calcium, and chloride ions will exchange positions.
    • The result is the formation of sodium chloride and calcium carbonate. Calcium carbonate does not dissolve in the solution and will precipitate to the bottom.

  4. Observed phenomena:

    • When the reaction occurs, the most evident phenomenon is the precipitation of calcium carbonate. Calcium carbonate is a white solid that is insoluble in water, so when it is formed, it will fall to the bottom of the solution as a precipitate.

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