# Problem: You have an aqueous solution of FeCl 3  and CdCl2 . Using the table of standard reduction potentials, what metal ions or could you add to this solution in order to  selectively remove  the iron ions while not removing the cadmium ions? (circle all that apply)Cu(s)Ba(s)Co(s)Co2+(aq)Fe(s)Pb(s)

###### Problem Details

You have an aqueous solution of FeCl 3  and CdCl2 . Using the table of standard reduction potentials, what metal ions or could you add to this solution in order to  selectively remove  the iron ions while not removing the cadmium ions? (circle all that apply)

Cu(s)

Ba(s)

Co(s)

Co2+(aq)

Fe(s)

Pb(s)