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The stoichiometric relationship between the reactants and products of an aqueous reaction can be used to...

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Chemistry

The stoichiometric relationship between the reactants andproducts of an aqueous reaction can be used to determine differentkinds of information about a reaction, such as the volume of agiven molarity reactant required to produce a certain amount ofproduct.

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)

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a) What volume of 2.00 M HCl in liters is needed toreact completely (with nothing left over) with 0.250 L of 0.300M Na2CO3?

Express your answer numerically in liters.

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b) A 373-mL sample of unknown HCl solution reacts completelywith Na2CO3 to form 19.1 g CO2. What was the concentration of theHCl solution?

Express the molar concentration numerically.

Answer & Explanation Solved by verified expert
3.7 Ratings (522 Votes)
Reaction isNa2CO3 2HCl 2NaCl H2O CO2caculate mole of Na2CO3no of mole molarity volume ofsolution in literno of mole of Na2CO3 0300 M 0250    See Answer
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