A 0.649-g sample containing only K2SO4 (FM 174.27) and (NH4)2SO4 (FM 132.14) was
Chapter 26, Problem 26-B(choose chapter or problem)
A 0.649-g sample containing only K2SO4 (FM 174.27) and (NH4)2SO4 (FM 132.14) was dissolved in water and treated with Ba(NO3)2 to precipitate all SO2 4 as BaSO4 (FM 233.39). Find the weight percent of K2SO4 in the sample if 0.977 g of precipitate was formed.
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