Calculate E cellfor the following reaction 2Fe2aq Cd2aq 2F
Calculate E °cellfor the following reaction:
2Fe2+(aq) + Cd2+(aq) ® 2Fe3+(aq) + Cd(s)
Fe2+(aq) ® Fe3+(aq) 0.77V Cd2+(aq) ® Cd (aq) 0.4V
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Solution
2*0.77+0.4 =1.94