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Chemistry, 06.10.2021 14:20 lildebiecakes

4. When an aqueous solution suspected of containing Ba2+ or Pb2+ or both is 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 likely presence of Ba2+ and Pb 2+ in the original solution? Explain your answer.

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