jblock4
jblock4
12-01-2017
Chemistry
contestada
What is the percent by mass of sodium in Na2SO4
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isaiahtepes
isaiahtepes
12-01-2017
The gram formula mass of Na2SO4 is 23*2+32+16*4=142. And the mass for sodium is 23*2=46. So the percent by mass is 46/142*100%=32.4%.
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pode777
pode777
12-01-2017
32•4 is the simplest answer
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