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27 Nov 2019
Standard potentials are measured against the standard hydrogenelectrode (S.H.E.). Because it is not always convenient to use aS.H.E., often other reference electrodes are used. The saturatedcalomel electrode (S.C.E.) is one commonly used referenceelectrode, with a potential of 0.242 V versus the S.H.E. Using atable of standard reductions, determine what the potential of eachreduction below would be versus the S.C.E.
Cl2+2e------->2cl-
v?
Fe3+ +3e------> Fe
Standard potentials are measured against the standard hydrogenelectrode (S.H.E.). Because it is not always convenient to use aS.H.E., often other reference electrodes are used. The saturatedcalomel electrode (S.C.E.) is one commonly used referenceelectrode, with a potential of 0.242 V versus the S.H.E. Using atable of standard reductions, determine what the potential of eachreduction below would be versus the S.C.E.
Cl2+2e------->2cl-
v?
Fe3+ +3e------> Fe