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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)â2NaCl(aq)+H2O(l)+CO2(g) Part A What volume of 2.50 M HCl in liters is needed to react completely (with nothing left over) with 0.750 L of 0.500 M Na2CO3? Express your answer to three significant figures and include the appropriate units. Part B A 651-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 12.1 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 (Na2CO3), forming sodium chloride (NaCl), water (H2O), and carbon dioxide (CO2). This equation is balanced as written: 2HCl(aq)+Na2CO3(aq)â2NaCl(aq)+H2O(l)+CO2(g) Part A What volume of 2.50 M HCl in liters is needed to react completely (with nothing left over) with 0.750 L of 0.500 M Na2CO3? Express your answer to three significant figures and include the appropriate units. Part B A 651-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 12.1 g CO2. What was the concentration of the HCl solution? Express your answer to three significant figures and include the appropriate units.
Elin HesselLv2
24 Sep 2019
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