In the reaction Na2CO3 + 2 HCl -> 2 NaCl + H2O + CO2, which salt is formed besides water and carbon dioxide?

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Multiple Choice

In the reaction Na2CO3 + 2 HCl -> 2 NaCl + H2O + CO2, which salt is formed besides water and carbon dioxide?

Explanation:
In this reaction, an acid-base pair reacts and carbon dioxide is released while water forms. The sodium ions from the sodium carbonate match up with the chloride ions from the hydrochloric acid to give the salt sodium chloride (NaCl). So, besides water and carbon dioxide, the salt formed is NaCl. The other options would require different ions (like sulfate, hydroxide, or ammonium) that aren’t produced in this reaction, so they don’t fit.

In this reaction, an acid-base pair reacts and carbon dioxide is released while water forms. The sodium ions from the sodium carbonate match up with the chloride ions from the hydrochloric acid to give the salt sodium chloride (NaCl). So, besides water and carbon dioxide, the salt formed is NaCl. The other options would require different ions (like sulfate, hydroxide, or ammonium) that aren’t produced in this reaction, so they don’t fit.

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