Ag++e-Ag p°Ag/Ag+=0.799 AgCl(s)+e-Ag (s)+CI AgCI /Ag=? 标准态时：CC=1.0→CAg+=KspAgCI AgCI /Ag=Ag*/AgAg*/Ag +0.0592XIg CAg+ =0.799+0.0592×1g1.8×10-10 =0.2217V Ag++e＝ Ag  ø Ag/Ag+=0.799 AgCl(s)+e＝Ag (s)+Cl－  øAgCl /Ag=? 标准态时：cCl-＝1.0 → cAg+=KspAgCl  øAgCl /Ag=  Ag+ /Ag =  øAg+ /Ag +0.0592×lg cAg+ =0.799+0.0592 ×lg 1.8×10-10 =0.2217 V