What Is the Approximate PH of the H⁺/H₂ electrode Compartment

question 74

Multiple Choice

What is the approximate pH of the H⁺/H₂ electrode compartment through which H₂ gas is bubbled at a pressure of 1.00 atm if this electrode, when coupled with a Ni/(0.10 M) Ni²⁺ electrode, forms a galvanic cell having an initial potential of 0.10 V? [The discharge reaction involves oxidation of nickel to Ni²⁺.]

• A) 2.15
• B) 4.65
• C) 6.15
• D) 3.15
• E) 3.65

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