E= Eθ(H2O/O2)-(0.0592 ∕4)㏒(c(H+)^(-4))即填入c(H+)^(-4),氢离子浓度的负四次方。方法是对的,但答案略有出入。E = 1.229 - 0.0592pH = 1.229 - 0.0592*2 = 1.111V