Consider the cell

Given: and ,

If the potential of the cell is 0.712 V, the ratio of concentration of to is (Nearest integer)

Question

Consider the cell

Given:  and ,

If the potential of the cell is 0.712 V, the ratio of concentration of  to  is  (Nearest integer)

Canvas Classes · Accepted Answer

Strategy:
 Use the Nernst Equation for a cell where the anode is a standard hydrogen electrode (SHE) and the cathode is a redox couple.

Step 1: Set up cell reaction
Reaction: , .
Since SHE is standard ( and ):

Step 2: Substitute and solve
, .

The ratio is 10.

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