56. Solving a chemistry problem

56. Solving a chemistry problem

2. The EMF of the circuit, composed of a saturated calomel electrode and a quinhydrone electrode in the test solution, is 0.274 V at 298 K. Calculate the pH of the test solution (take the necessary data from the reference book). Write down the scheme of this electrochemical circuit and the equations of the reactions taking place on the electrodes.

Additional information:

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