Kakey8930 Kakey8930 08-02-2024 Chemistry contestada A 651-mL sample of unknown HCl solution reacts completely with Na₂CO₃ to form 12.1 g of CO₂. What was the concentration of the HCl solution?2HCl(aq)+Na₂CO₃(aq)→2NaCl(aq)+H₂O(l)+CO₂(g)