70. Solving a chemistry problem

70. Solving a chemistry problem

Calculate the standard half-reaction potential (1) if the value of the standard half-reaction potential (2) is known.
Table 5
Half-reaction (1) Half-reaction (2)
2HNO2 6H 6e ↔ N2 4H2O 2NO2- 8H 6e ↔ N2 4H2O

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