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July 3, 2015

Homework Help: chemistry

Posted by Lili*** on Thursday, October 16, 2008 at 2:31am.

When an aqueous solution suspected of containing Ba2+ or Pb2+ or both are mixed with sulfuric acid a precipitate forms. in another test, when the original solution is mixed with an aqueous solution of sodium sulfide no precipitate forms. What do these two tests indicate about the likel presence of Ba2+ and Pb2+ in the original solution? Explain your answer.

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