
Interpretation:
Concept introduction:
Nernst equation can be used to determine the cell potential at any instant, the difference from the standard state.
Where:
n = number of moles of electrons exchanged in the
Finding
Where

Answer to Problem 14.43P
Explanation of Solution
Concentration of acid the left half-cell is found by titration of 28 mL of the tetraprotic pyrophosphoric acid with
The known values is substituted into the Nernst equation gives
The right half-cell we have the equilibrium
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Chapter 14 Solutions
Quantitative Chemical Analysis
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