Answer:
Na₂CO₃(aq) + BaCl₂(aq) → BaCO₃(s) + 2NaCl(aq)
Explanation:
A double-replacement reaction is defined as a reaction where two compounds react, forming two new compounds or products. In the reaction of the problem:
Aqueous sodium carbonate -Na₂CO₃(aq)- and aqueous barium chloride -BaCl₂(aq)- produce solid barium carbonate -BaCO₃(s)- and aqueous sodium chloride -NaCl(aq)-. The reaction is:
Na₂CO₃(aq) + BaCl₂(aq) → BaCO₃(s) + 2NaCl(aq)
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