Author Question: Calculate the cell potential for the following reaction that takes place in an electrochemical cell ... (Read 300 times)

Mr.Thesaxman · **on:** Nov 18, 2019

Question 1

Calculate the cell potential for the following unbalanced reaction that takes place in an electrochemical cell at 25 °C when [Mg²⁺] = 1.10 M and [Fe³⁺] = 1.10 M

Mg(s) + Fe³⁺(aq) → Mg²⁺(aq) + Fe(s)

E°(Mg2+/Mg) = -2.37 V and E°(Fe3+/Fe) = -0.036 V

◦ +0.68 V
◦ -3.23 V
◦ +2.33 V
◦ +1.48 V
◦ +2.22 V

Question 2

Calculate the cell potential for the following reaction that takes place in an electrochemical cell at 25 °C:

Sn(s) ∣ Sn2+(aq, 1.8 mol L-1)

Ag+(aq, 0.055 mol L-1) ∣ Ag(s)

E°(Sn2+/Sn) = -0.14 V and E°(Ag+/Ag) = +0.80 V

◦ +0.98 V
◦ -0.85 V
◦ +0.86 V
◦ -0.94 V
◦ +1.02 V

itsakadoozi · **Reply #1 on:** Nov 18, 2019

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