1285g sample of na2so4 is exposed to the atmosphere and
1.285g sample of Na2SO4 is exposed to the atmosphere and found to gain 0.393g in mass. What is the percent, by mass, of Na2SO4*H2O in the resulting mixture of anhydrous Na2SO4 and the decahydrate?
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1285g sample of na2so4 is exposed to the atmosphere and found to gain 0393g in mass what is the percent by mass of
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