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Author Question: Calculate the cell potential for the following unbalanced reaction that takes place in an ... (Read 276 times)

vinney12

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Question 1

Calculate the cell potential for the following unbalanced reaction that takes place in an electrochemical cell at 25 °C when [Mg2+] = 0.000612 M and [Fe3+] = 1.29 M

Mg(s) + Fe3+(aq) → Mg2+(aq) + Fe(s)

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

◦ +3.24 V
◦ +3.42 V
◦ +2.43 V
◦ -4.32 V
◦ -3.42 V

Question 2

Calculate the cell potential for the following unbalanced reaction that takes place in an electrochemical cell at 25 °C when [Mg2+] = 3.20 M and [Fe3+] = 0.000100 M

Mg(s) + Fe3+(aq) → Mg2+(aq) + Fe(s)

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

◦ -1.24 V
◦ +1.24 V
◦ -2.24 V
◦ +2.14 V
◦ +2.24 V


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Marked as best answer by vinney12 on Nov 18, 2019

aruss1303

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vinney12

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Reply 2 on: Nov 18, 2019
YES! Correct, THANKS for helping me on my review


frankwu0507

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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