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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)→2NaCl(aq)+H2O(l)+CO2(g) Part A What volume of 1.25 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. Part B A 437-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 the molar concentration numerically

/in /by

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) Part A

What volume of 1.25 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.Part B

A 437-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 the molar concentration numerically

 
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