Question 7.18: Determine a value for the standard electrode potential E^O A......

Physical Chemistry: Understanding our Chemical World [1013861]

Determine a value for the standard electrode potential $E_{\mathrm{Ag}^{+},\mathrm{Ag}}^{\ominus}$ with the data below. Assume that $\gamma_{\pm}=1$ throughout.

$[\mathrm{AgNO}_{3}]/\mathrm{mol\;dm}^{-3}$	0.001	0.002	0.005	0.01	0.02	0.05	0.1
$E_{\mathrm{Ag}^{+},\mathrm{Ag}}/\mathrm{V}$	0.563	0.640	0.664	0.682	0.699	0.723	0.741

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Figure 7.11 shows a Nernst graph drawn with the data in the table. The intercept of the graph is clearly 0.8 V.

7.11

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