87.9 Electrode potential and electromotive forces 7.9.4 Relationship between different electrode potentials p of relevant electrodes AgCl=Ag cl- rIIna rt k ( Ag(s)AgNO3(c,)llKCI(c2)AgCI(slAg(s) D .IA ne nkp nAcl RT RT 1 e=AgCVAg E Ag /Ag AgCl+ le=Ag+CI- RT n nF RT aAgCI RT 9 AgCl/Ag Exercise: deduce the relationship between Ag(CN)/Ag and Ag/AgAgCl = Ag+ + Cl￾Ag(s)|AgNO3 (c1 ) ||KCl(c2 ) |AgCl(s)|Ag(s)  of relevant electrodes   Ag /Ag + AgCl/Ag AgCl/Ag + Ag /Ag E = −   sp ln RT E K nF = - Ag(CN) /Ag 2  + Ag /Ag  Exercise: deduce the relationship between and 7.9.4 Relationship between different electrode potentials + + + Ag /Ag Ag Ag /Ag Cl Ag /Ag Cl ln ln 1 ln ln sp sp RT RT k a nF nF a RT RT k nF nF a     + − − = + = + = + + AgCl + 1e - = Ag + Cl￾AgCl AgCl/Ag AgCl/Ag Ag Cl Cl 1 ln ln RT RT a nF a a nF a    − − = + = + §7.9 Electrode potential and electromotive forces