问题详情

Calculate the potential of a cell based on the following reactions at standard conditions.
(1)2H₂S+H₂SO₃→3S+3H₂O
(2)2Br^-+2Fe³⁺→Br₂+2Fe²⁺
(3)Zn+Fe²⁺→Fe+Zn²⁺
(4)