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A solution is prepared by dissolving 11.6 g of a mixture of sodium carbonate and sodium...

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Chemistry

A solution is prepared by dissolving 11.6 g of a mixture ofsodium carbonate and sodium bicarbonate in 1.00 L of water. A 300.0cm3sample of the solution is then treated with excess HNO3 andboiled to remove all the dissolved gas. A total of 0.940 L of dryCO2 is collected at 298 K and 0.972 atm.

1. Find the molarity of the carbonate in the solution.

2. Find the molarity of the bicarbonate in the solution.

Answer & Explanation Solved by verified expert
4.0 Ratings (524 Votes)
Lets start from the end The dry gas collected is 0940 L at 298 K and 0972 atm of CO2 then we can calculate the moles of it PV nRT n PVRT R 0082 LatmKmol Na2CO3 2 HNO3 2 NaNO3 CO2 H2O    See Answer
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