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Problem: Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A solution containing 3.60 g of sodium carbonate is mixed with one containing 5.14 g of silver nitrate.How many grams of sodium carbonate are present after the reaction is complete?

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Determine the limiting reactant first:

Balanced Reaction: Na2CO3(aq) + 2 AgNO3(aq) → Ag2CO3(s) + 2NaNO3(aq)

Mass of Ag2CO3 from Na2CO3:

mass Ag2CO3=3.60 g Na2CO3(1 mol Na2CO3105.99 g Na2CO3)(1 mol Ag2CO31 mol Na2CO3)(275.75 g Ag2CO31 mol Ag2CO3)=9.37 g 

Mass of Ag2CO3 from AgNO3:

mass Ag2CO3=5.14 g AgNO3(1 mol AgNO3169.87 g AgNO3)(1 mol Ag2CO32 mol AgNO3)(275.75 g Ag2CO31 mol Ag2CO3)=4.17 g 

The limiting reactant is AgNO3, hence it would be used up in the reaction. The excess reactant is Na2CO3.

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Problem Details

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A solution containing 3.60 g of sodium carbonate is mixed with one containing 5.14 g of silver nitrate.

How many grams of sodium carbonate are present after the reaction is complete?

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Based on our data, we think this problem is relevant for Professor Chatenever's class at University of Maine.