The standard half cell potential for the reaction O 2 (g) 4H (aq) 4e 2H 2 O(l) is 1 229 V and 298 15 K Calculate E for a 0 300 molal solution of H 2 SO 4 for a O2 1 00 a Assuming that the a H is equal to the molality b Using the measured mean ionic activity coefficient for this concentration from t...

Because Ka for HSO 4 is 0012 we assume that ...

The standard half-cell potential for the reaction O 2 (g) + 4H + (aq) + 4e

Question:

The standard half-cell potential for the reaction O₂(g) + 4H⁺ (aq) + 4e⁻ → 2H₂O(l) is + 1.229 V and 298.15 K. Calculate E for a 0.300-molal solution of H₂SO₄ for a_O2 = 1.00

a. Assuming that the a_H+ is equal to the molality

b. Using the measured mean ionic activity coefficient for this concentration from the Data Tables. How large is the relative error if the concentrations, rather than the activities, are used?

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