Question

Помогите пожалуйста!!!
1.Н2S+Pb(CH3COO)2
2.H2S+Fe(CH3COO)2
3.H2S+NaOH

Answer 1

H2S + NaOH(разб.) = NaHS + H2O
H2S + 2NaOH(конц.) = Na2S + 2H2O
H2S + Pb(CH3COO)2=PbS+CH3COOH
FeS + 2CH3COOH → Fe(CH3COO)2 + H2S