продолжите)прошу ,объясните как это делается .
Cu+H2O ->
Zn+HCl->
SO2+H2O->
Na+H2O->
MgO+HCl->
AI2O3+H2O->
Zn+Pb(NO3)2-?
Hg+ALCl3->
CaO+H2SO3->
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