Question

решить цепочку cu - cuo - cucl2 - cuco3 - cuo - cu (no3)2 - cu (oh)2

Answer 1

2Cu+O₂=2CuO
CuO+2HCl=CuCl₂+H₂O
CuCl₂+Na₂CO₃=2NaCl+CuCO₃↓
CuCO₃+2HNO₃=Cu(NO₃)₂+H₂O+CO₂↑
Cu(NO₃)₂+2NaOH=2NaNO₃+Cu(OH)₂↓