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# 1. What volume of 1.00 M HCl in liters is needed to react completely (with nothing...

1. What volume of 1.00 M HCl in liters is needed to react completely (with nothing left over) with 0.750 L of 0.200 M Na2CO3?

Express your answer to three significant figures and include the appropriate units.

2. A 639-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 15.1 g CO2. What was the concentration of the HCl solution?

Express your answer to three significant figures and include the appropriate units.

Hydrochloric acid (HCl) reacts with sodium carbonate (Na2 CO3), forming sodium chloride (NaCl), water (H2 O), and carbon dioxide (CO2). This equation is balanced as written: 2HC1(aq) Na2 CO3(aq)>2NaCl(aq) + H2O(l) +CO2 (g)

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