A cell utilizes the following reaction and operates at 298 K: 2H+(aq) + Zn(s) → Zn2+(aq) + H2(g) a.What is the emf of this cell under standard conditions? (Look up E° values).  b. What is the emf of this cell when [Zn2+] = 0.050 M, PH2 = 0.25 atm, and the pH = 4.00.(Use pH to get [H+]

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