If EFe2-Fe- -0-04V and EFe3-Fe2- -0-77V- Calculate EFe3-Fe-

Fe ^ 2+ + 2e ^ → Fe E _ 1 ^ 0 = 0.04 V Fe ^ 3+ + e ^ → Fe ^ 2+ E _ 2 ^ 0 =0.77 V Fe ^ 3+ +3 e ^ → Fe E _ 2 ^ 0 =? 3 ...

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If EFe2+|Fe...

Question

If $E_{F e^{2 +} | F e}^{\circ} = - 0.04 V$ and $E_{F e^{3 +} | F e^{2 +}}^{\circ} = 0.77 V$ . Calculate $E_{F e^{3 +} | F e^{+}}^{\circ}$

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E_{{F e}^{2 +} | F e}^{o} = - 0.44 V

E_{{F e}^{3 +} | {F e}^{2 +}}^{o} = - 0.77 V

E_{{{F e}^{3 +} | F e}^{o}}^{o}

E^{o}

E_{{F e}^{3 +} / {F e}^{2 +}} = + 0.76 V

E_{{F e}^{2 +} / {F e}} = - 0.44 V

E_{{S n}^{2 +} / {S n}} = - 0.14 V

3 {S n}_{(s)} + 2 {F e}^{3 +} (a) \to 2 F e (a q) + 3 {S n}^{2 +} (a q)

E_{{F e}^{2 +} / F e}^{o} = - 0.44 V E_{{F e}^{3 +} / {F e}^{2 +}}^{o} = 0.77 V

F e + 2 {F e}^{3 +} \to 3 {F e}^{2 +}

E^{o} :

E_{F e^{3 +} / F e^{2 +}}^{0} = - 0.36 V

E_{F e^{2 +} / F e}^{0} = - 0.439 V

E_{F e^{3 +} . F e^{2 +}}^{0}

2 N a C l + F e_{2} (S O_{4})_{3} ⇌ 2 F e S O_{4} + C l_{2} + N a_{2} S O_{4}

E_{F e^{3 +} / F e^{2 +}}^{\circ} = 0.77 V; E_{C l^{-} / C l_{2}}^{\circ} = 1.36 V

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