由于EO(Cu2+/CuI)= EO(Cu2+/Cu+)+0.0592lgc(Cu2+)/c(Cu+)
= EO(Cu2+/Cu+)+0.0592lgc(Cu2+)－0.0592lg[KOSP(CuI)]/c(I-)
= EO(Cu2+/Cu+)－0.0592lgKOSP(CuI)=0.153－0.0592lg(1×10-12)=0.8634V，第一步没看懂，
= EO(Cu2+/Cu+)+0.0592lgc(Cu2+)－0.0592lg[KOSP(CuI)]/c(I-)
= EO(Cu2+/Cu+)－0.0592lgKOSP(CuI)=0.153－0.0592lg(1×10-12)=0.8634V，第一步没看懂，
