What Is the [H⁺] in a Concentration Cell at 25°C

question 4

Multiple Choice

What is the [H⁺] in a concentration cell at 25°C if the cell potential is 0.0451 V and cell diagram: Pt ∣ H₂ (g, 1 atm) ∣ H⁺ (?) ‖ H⁺ (1 M) ∣ H₂ (g, 1 atm)
2 H⁺(aq) + 2 e- → H₂(g)   E° = 0. V

• A) 0.51 M
• B) 0.42 M
• C) 0.030 M
• D) 0.17 M
• E) 5.7 M

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