Question

CuO → CuCl2 → Cu(OH)2→ CuSO4

Answer 1

Ответ:

CuO+2HCl=$CuCl_{2}$+$H_{2}O$

CuCl+2NaOH=$Cu(OH)_{2}$+2NaCl

$Cu(OH)_{2}+H_{2} SO_{4}$=$CuSO_{4} +2H_{2}O$