2Cu+O2 ~~2 CuO$ `# z. N0 c$ I
3 Cu+O2~~CuO+ Cu2O
7 ]4 P: I7 q2 nCuO+2NH4OH+2NH4cl ~~~ Cu(NH3)4cl2+3H2O4 b! E3 t" @$ U
Cu2O+2NH4OH+2NH4cl_____2Cu(NH3)2cl+3H2O9 D2 d' c7 s$ M% K
Cu(NH3)2cl+4NH4OH+4NH4cl+O2___6 w+ i! r, U( {% s( s' M$ ^% `
% I& l8 j/ N, F% S- m
4Cu(NH3)4cl2 +6H2O
0 G1 `! o' p0 B; ZCu(NH3)4cl2 +Cu ___ 2Cu(NH3)2cl/ B8 @! M- w' j9 N& u+ C: {: }7 M
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