9. A concentration cell is constructed at 25c with 1.0M Ni2+ at the cathode and an unkown…. What is the concentration of Ni2+ at the anode?
Show transcribed image text For which of the following oxidation-reducation reaction is E+moll < 0? Cr3+(aq) + AI(s) rightarrow Al3+(aq) + Cr(s) 2Au3+(aq) + 3Cu(s) rightarrow 3Cu3+(aq) + 2Au(s) 2H+(aq) + 2 Br2(aq) rightarrow Br2(l) + H2(g) None of them.
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