1.2Na+2H2O=2NaOH+H2
2.2NaOH+CuSO4=Cu(OH)2(осадок)+
Na2SO4
3.Cu(OH)2=CuO+H2O
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1.2Na+2H2O=2NaOH+H2
2.2NaOH+CuSO4=Cu(OH)2(осадок)+
Na2SO4
3.Cu(OH)2=CuO+H2O