Fahmida does three chemical tests on an unknown solution. Look at her results. Which ions are present in the solution? Choose from: calcium hydrogen iron(II) chloride sulfate Explain your answer. – 7563

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1. The ions present are hydrogen, chloride, and sulfate.
   Hydrogen ions are present because the pH is 3.
   Sulfate ions are present because it gives a white precipitate with barium chloride.
   Chloride ions are present because it gives a white precipitate with silver nitrate.

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