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E 4-r 25 'c o[A1el E.=Egd=E9l €6IE -EE E"Jd+g E"zl SHEE Cel-H-+ +g 4lql= .J"Jd+ql^.lE +I?lHl€rdol + -- -- 'l o o u.} d -E _ e E K+ * e- =l( Na*e-:Na Hz +2e'=2H- Al3 + 3e- --Al Zn(Ctt)!- I2e- = Zn * 4CN- ZnOz{ +?HzO*2e- =Zn* 4OH- Zn(NH, )?* + 2e = Zn * 4NH3 sn(oH)25- *2e- -HSno2- +H2o+ 3oH- Fe(OH)2 *2e-:Fe*2OH- ?HzO * 2e- = Hz -f zOH- Fe(OH)3 *3e- =Fe*3OH- znz+ *2e-:zn Ac2S*2e--ZAe+52- Fe2* + le- =Fe Bi zOs + 3H2O * 6e- = ZBi + 6CI{- PbSOI *2e- =Pb+SO? ng(CN)z I e- =Ag * 2CN- Ni2++2e-=Ni Agl * e-:Ag*l- Sn2+ + 2e- =311 Pb2+ + 2e- =Pb cu(NH3 )t* + 2e- : Cu * 4NH3 Fe3+ + 3e- -- Fe 2H+ +2e- -H, AgBr * e- =Ag * Br- Heo(r)+ H2o + 2e- - He * 2oH- Sn4* + 2e- =Sn2+ AgCI * e- =Ag +Cl- Hg2CI 2*Ze-=ZHs+ZCl- Cu2++2e--Cu Ag(NHs)r**e =As+ZNHB Hg2SOn *2e--ZHe+SO?- Fe3+ + e :Fe2' Ag* +e- -Ag 02 +4H+ *4e- =ZHzO Pbo2 + so?- + 4H+ + 2e- : Pbsol +2H2O Os+2H+l2e-=02*HrO - 2.925 - 2.7t4 _, ,E, - 1.66 - t.26 - 1.2t6 - 1.03 - 0.90 - 0.877 - 0.828 - 0,77 - 0.763 - 0.69 - 0.440 - 0.44 - 0.356 - 0.31 - 0.250 - 0.151 - 0.136 - 0.126 - 0.12 - 0.036 0.000 + 0.095 + 0.098 + 0.15 + 0.222 + 0.2676 + 0.337 + 0.373 + 0.6151 + 0.771 + 0.7991 + 1.229 + 1.685 + 2.07 - 163-