Author Question: Calculate the cell potential for the following unbalanced reaction that takes place in an ... (Read 120 times)

anjilletteb · **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⁺] = 0.914 M and [Fe³⁺] = 0.0230 M

Mg(s) + Fe³⁺(aq) → Mg²⁺(aq) + Fe(s)

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

◦ +2.30 V
◦ +2.32 V
◦ -2.30 V
◦ -2.32 V
◦ +1.23 V

Question 2

Calculate the cell potential for the following unbalanced reaction that takes place in an electrochemical cell at 25 °C when [Mg²⁺] = 0.500 M and [Fe³⁺] = 2.00 M

Mg(s) + Fe³⁺(aq) → Mg²⁺(aq) + Fe(s)

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

◦ +2.35 V
◦ -3.18 V
◦ -1.51 V
◦ +2.09 V
◦ +0.36 V

milbourne11 · **Reply #1 on:** Nov 18, 2019

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