A solution contains an unknown mass of dissolved barium ions. When sodium sulfate is
Chapter 0, Problem 79(choose chapter or problem)
A solution contains an unknown mass of dissolved barium ions. When sodium sulfate is added to the solution, a white precipitate forms. The precipitate is filtered and dried and found to have a mass of 258 mg. What mass of barium was in the original solution? (Assume that all of the barium was precipitated out of solution by the reaction.)
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