СuSO4 +
2KOH = Cu(OH)2↓ + K2SO4
Сu[2+] +
SO4[2-] + 2K[+] + 2OH[-] = Cu(OH)2↓ + 2K[+] + SO4[2-]
Сu[2+] +
2OH[-] = Cu(OH)2↓
Cu(OH)2 = CuO + H2O
CuO + 2HCl = CuCl2 + H2O
CuO + 2H[+] + 2Cl[-] = Cu[2+] + 2Cl[-] + H2O
CuO + 2H[+]= Cu[2+] + H2O
Al+Y2--->
2Al
+ 3Cl2 = 2AlCl3