Question

ПОМОГИ ПОЖ-СТА))) осуществите превращения: S-FeS-H2S-CuS-CuSO4-Cu(OH)2-CuO

Answer 1

S-FeS-H2S-CuS-CuSO4-Cu(OH)2-CuO
S + Fe = FeS
FeS + 2HCl = FeCl2 + H2S
H2S + Cu(No3)2 = CuS + 2HNO3
CuS + Na2SO4 = Na2S + CuSO4 
CuSO4 + 2KOH = Cu(OH)2 + K2SO4
Cu(OH)2 ----t-- > CuO + H2O