determine the percentage composition of water in sodium carbonate decahydrate
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Explanation:
Sodium carbonate decahydrate, Na2CO3 • 10H2O. % by mass H2O
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Answer:
Molecular mass of Na2Co3. 10H2O
= 286.2 u
Molecular mass of 10.H2O
=180.2 u
% of H2O in Na2Co3. 10H2O
= 180.2g/286.2g*100%
= 67. 97 %
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