Chemistry · Chemical Reactions and Equations
When carbon dioxide is dissolved in an aqueous solution of sodium hydroxide, the mixture reacts to give aqueous sodium carbonate and liquid water. The correct balanced equation for this reaction is:
- 12CO2(aq) + NaOH(aq) → 2Na2CO3(aq) + H2O(l)
- 22CO2(aq) + NaOH(aq) → 2NaCO3(aq) + H2O(l)
- 3CO2(aq) + 2NaOH(aq) → Na2CO3(aq) + H2O(l)✓
- 4CO2(aq) + 2NaOH(aq) → NaCO3(aq) + H2O(l)
Correct answer
CO2(aq) + 2NaOH(aq) → Na2CO3(aq) + H2O(l)
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