Consider the cell

When the potential of the cell is 0.712 V at 298 K, the ratio is (Nearest integer)

Given: , ,

Question

Consider the cell

When the potential of the cell is 0.712 V at 298 K, the ratio  is  (Nearest integer)

Given: , ,

Canvas Classes · Accepted Answer

Strategy:
 Use the Nernst Equation for a cell consisting of a Standard Hydrogen Electrode (SHE) and a redox couple. Solve for the log of the concentration ratio.

Step 1: Setup the cell reaction
Anode:  ()
Cathode:  ()
Net: , .

Step 2: Apply the Nernst Equation
Given  and :

Step 3: Solve for the ratio ()

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