1) CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
2) Cu(OH)2+O2 = CuO+H2O
3) 2Cu+O2=2CuO
CuSO4+2KOH=Cu(OH)2+K2SO4
Cu2++ SO42-+2K++2OH-=Cu(OH)2+2K++SO42-
Cu2++2OH-=Cu(OH)2
Cu(OH)2+K2O=CuO+2KOH
Cu2+ +2OH- +2K+ +O2-=CuO+2K+ +2OH-
Cu2++O2-=CuO
2CuO=2Cu+O2
1) CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
2) Cu(OH)2+O2 = CuO+H2O
3) 2Cu+O2=2CuO
CuSO4+2KOH=Cu(OH)2+K2SO4
Cu2++ SO42-+2K++2OH-=Cu(OH)2+2K++SO42-
Cu2++2OH-=Cu(OH)2
Cu(OH)2+K2O=CuO+2KOH
Cu2+ +2OH- +2K+ +O2-=CuO+2K+ +2OH-
Cu2++O2-=CuO
2CuO=2Cu+O2