The sulfate in a 0.2345 g sample of a mixture containing only K2SO4 (fm = 174.26) and Na2SO4 (fm = 142.04) is to beanalyzed by precipitating all the sulfate as barium sulfate, BaSO4 (fm = 233.39) by the addition of excess BaCl2.
Na2SO4 + BaCl2 image from custom entry toolBaSO4
K2SO4 + BaCl2image from custom entry toolBaSO4
The weight of barium sulfate formed is 0.3456 g. Calculate the % potassium sulfate and sodium sulfate in the mixture.
2 answers
32.5%
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