Объяснение:
1) 2KCI+Pb(NO₃)₂=PbCI₂↓+2KNO₃
2K⁺+2CI⁻+Pb²⁺+2NO₃⁻=PbCI₂↓+2K⁺+2NO₃ ⁻
2CI⁻+Pb²⁺=PbCI₂↓
2) Fe(OH)₃+3HNO₃=Fe(NO₃)₃+3H₂O
Fe(OH)₃+3H⁺+3NO₃⁻=Fe³⁺+3NO₃⁻+3H₂O
Fe(OH)₃+3H⁺=Fe³⁺+3H₂O
3) Na₂SO₃+2HCI=2NaCI+SO₂↑+H₂O
2Na⁺+SO₃²⁻+2H⁺+2CI⁻=2Na⁺+2CI⁻+SO₂↑+H₂O
SO₃²⁻+2H⁺=SO₂↑+H₂O
4) Fe₂O₃+3H₂SO₄=Fe₂(SO₄)₃+3H₂O
Fe₂O₃+6H⁺+3SO₄²⁻=2Fe³⁺+3SO₄²⁻+3H₂O
Fe₂O₃+6H⁺=2Fe³⁺+3H₂O
5) ZnS+K₂SO₄≠
Объяснение:
1) 2KCI+Pb(NO₃)₂=PbCI₂↓+2KNO₃
2K⁺+2CI⁻+Pb²⁺+2NO₃⁻=PbCI₂↓+2K⁺+2NO₃ ⁻
2CI⁻+Pb²⁺=PbCI₂↓
2) Fe(OH)₃+3HNO₃=Fe(NO₃)₃+3H₂O
Fe(OH)₃+3H⁺+3NO₃⁻=Fe³⁺+3NO₃⁻+3H₂O
Fe(OH)₃+3H⁺=Fe³⁺+3H₂O
3) Na₂SO₃+2HCI=2NaCI+SO₂↑+H₂O
2Na⁺+SO₃²⁻+2H⁺+2CI⁻=2Na⁺+2CI⁻+SO₂↑+H₂O
SO₃²⁻+2H⁺=SO₂↑+H₂O
4) Fe₂O₃+3H₂SO₄=Fe₂(SO₄)₃+3H₂O
Fe₂O₃+6H⁺+3SO₄²⁻=2Fe³⁺+3SO₄²⁻+3H₂O
Fe₂O₃+6H⁺=2Fe³⁺+3H₂O
5) ZnS+K₂SO₄≠