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A saturated calomel electrode is coupled...

A saturated calomel electrode is coupled through a salt bridge with a quinhydrone electrode dipping in `0.1 M NH_(4)Cl`. The observed `EMF` at `25^(@)C` is `0.152V`. Find the dissociated constant of `NH_(4)OH`. The oxidation potential of quinhydrone electrode`=0.699V` at `25^(@)C`.

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To solve the problem, we need to find the dissociation constant of ammonium hydroxide (NH₄OH) based on the given information about the saturated calomel electrode and the quinhydrone electrode. ### Step-by-Step Solution: 1. **Identify the Given Data:** - EMF of the cell (E_cell) = 0.152 V - Oxidation potential of the quinhydrone electrode (E°_quinhydrone) = 0.699 V - Concentration of NH₄Cl = 0.1 M ...
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