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April 23, 2014

Homework Help: Chemistry

Posted by India on Monday, March 12, 2012 at 6:04pm.

you add excess sodium sulfate to a solution of a soluble barium compound in order to precipitate all of the barium ion as barium sulfate, BaSO4. Suppose a 458 mg sample of the barium compound is dissolved to create the solution. Then when the sodium is added, 513 mg of barium sulfate precipitates.
a) how many milligrams of barium ion are in the solution, and therefore in the original barium compound sample?

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