PbS - 2e⁻ = Pb²⁺ + S⁰ ║3
NO₃⁻ + 4H⁺ + 3e⁻ = NO + 2H₂O ║2
3PbS + 2NO₃⁻ + 8H⁺ = 3Pb²⁺ + 3S⁰ + 2NO + 4H₂O
6NO₃⁻ = 6NO₃⁻
3PbS + 8NO₃⁻ + 8H⁺ = 3Pb²⁺ + 6NO₃⁻ + 3S⁰ + 2NO + 4H₂O
3PbS + 8HNO₃ = 3Pb(NO₃)₂ + 3S + 2NO + 4H₂O
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PbS - 2e⁻ = Pb²⁺ + S⁰ ║3
NO₃⁻ + 4H⁺ + 3e⁻ = NO + 2H₂O ║2
3PbS + 2NO₃⁻ + 8H⁺ = 3Pb²⁺ + 3S⁰ + 2NO + 4H₂O
6NO₃⁻ = 6NO₃⁻
3PbS + 8NO₃⁻ + 8H⁺ = 3Pb²⁺ + 6NO₃⁻ + 3S⁰ + 2NO + 4H₂O
3PbS + 8HNO₃ = 3Pb(NO₃)₂ + 3S + 2NO + 4H₂O