Question

At 298 K, the EMF of the cell Pt, H2 (1 atm) | H+ || KCl (satd.) | Hg2Cl2 (s),Hg is 0.445 V. Later, while introducing a combined glass electrode in the same solution an emf of 0.321 V was observed at 298 K. However, an EMF of 0.123 V was recorded when the same glass electrode was introduced in a buffer solution A at the same temperature. What is the concentration of H+ ions in th buffer solution? (Electrode potential of saturated calomel electrode is 0.2444 V)

Answer 1

Answer:

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