The selectivity coefficient for a fluoride ion-selective electrode is = 0.15.What will the change in the electrode potential be for a 1.4 × 10⁻⁵ M F⁻ at pH 5.5 if the pH is raised to pH 11.0?

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The Answer of The selectivity coefficient for a fluoride ion-selective electrode is = 0.15.What will the change in the electrode potential be for a 1.4 × 10⁻⁵ M F⁻ at pH 5.5 if the pH is raised to pH 11.0?

The Selectivity Coefficient for a Fluoride Ion-Selective Electrode Is