А) S + H₂ = H₂S
2H₂S + 3O₂ = 2SO₂ + 2H₂O
Б) S + Fe = FeS
FeS + 2HCl = FeCl₂ + H₂S
H₂S + K₂S = 2KHS
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Verified answer
А) S + H₂ = H₂S
2H₂S + 3O₂ = 2SO₂ + 2H₂O
Б) S + Fe = FeS
FeS + 2HCl = FeCl₂ + H₂S
H₂S + K₂S = 2KHS