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What is the percent by mass of water in Na2SO4 x 10H2O

What is the percent by mass of water in Na2SO4 x 10H2O
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What is the percent by mass of water in Na2SO4 x 10H2O

User Guilhem Hoffmann
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1 Answer

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M(Na₂SO₄*10H₂O)=322.196 g/mol
M(H₂O)=18.0153 g/mol

w(H₂O)=10M(H₂O)/M(Na₂SO₄*10H₂O)

w(H₂O)=10*18.0153/322.196=0.5591 (55.91%)
User Uml
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User AlgoRythm
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What is the percent by mass of water in Na2SO4 • 10H2O? Use mc003-1.jpg. 5.59% 11.26% 44.08% 55.92%
AlgoRythm asked Mar 13, 2018
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