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Question: hydrochloric acid hcl reacts with sodium carbonate na2co3 forming sodium...

Question details

Hydrochloric acid (HCl) reacts with sodium carbonate (Na2CO3), forming sodium chloride (NaCl), water (H2O), and carbon dioxide (CO2). This equation is balanced as written:

2HCl(aq)+Na2CO3(aq)→2NaCl(aq)+H2O(l)+CO2(g)

1) What volume of 3.00 M HCl in liters is needed to react completely (with nothing left over) with 0.750 L of 0.100 M Na2CO3?

Express your answer numerically in liters.

2) A 379-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 13.1 g CO2. What was the concentration of the HCl solution?

Express the molar concentration numerically.

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