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2HCl(aq)+Na2CO3(aq)→2NaCl(aq)+H2O(l)+CO2(g) a) What volume of 1.75 M HCl in liters is needed to react completely (with...

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

a) What volume of 1.75 M HCl in liters is needed to react completely (with nothing left over) with 0.750 L of 0.300 M Na2CO3?

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

b) A 583-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 19.1 g CO2. What was the concentration of the HClsolution?

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

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