What is the standard reduction potential for Fe3+
Fe ? Given that: Fe2+ + 2e-
Fe;
Fe2+ /Fe = -0.47V Fe3+ +e-
Fe2+;
Fe3+/Fe2+=+0.77V
Option: 1 −0.057 V
Option: 2 +0.057 V
Option: 3 +0.30 V
Option: 4 −0.30 V
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