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18 Dec 2019

An ore of barium contains BaCO3. A 1.315 g sample of the ore was treated with HCl to dissolve the BaCO3. The resulting solution was filtered to remove insoluble material and then treated with H2SO4 to precipitate BaSO4. The precipitate was filtered, dried and found to weigh 1.074 g. What is the percentage by mass of barium in the ore? (Assume all of the barium is precipitated as BaSO4.)

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Irving Heathcote
Irving HeathcoteLv2
31 Dec 2019

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