chemistry

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Please I need help...I have been trying so hard to finad this answer...

Suggest a test chemical that can be added to the water sample to precipitate the lead(II) ions. please show a chemical eqaution for the formation of the precipitate.
Thank u so much:)

  • chemistry -

    Pb^+2(aq) + SO4^-2(aq) ==> PbSO4(s) (white)

    Pb^+2(aq) + 2Cl^-(aq) ==> PbCl2(s) (white)

    Pb^+2(aq) + S^-2(aq) ==> PbS(s) (black)

    and there are a host of others. sulfite, thiosulfate, carbonate, phosphate, etc.

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