2 zadania w zalaczniku
7.5.8
1. 4K+ O₂-> 2K₂O
2. K₂O+ H₂O-> 2KOH
3. H₂SO₄+ 2KOH-> K₂SO₄+ 2H₂O
4. 2SO₂+ O₂-> 2SO₃
5. SO₃+ H₂O-> H₂SO₄
7.5.9
Pb(NO₃)₂+ K₂SO₄-> PbSO₄+ 2KNO₃
CrCl₃+ 3NaOH-> Cr(OH)₃+ 3NaCl
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7.5.8
1. 4K+ O₂-> 2K₂O
2. K₂O+ H₂O-> 2KOH
3. H₂SO₄+ 2KOH-> K₂SO₄+ 2H₂O
4. 2SO₂+ O₂-> 2SO₃
5. SO₃+ H₂O-> H₂SO₄
7.5.9
Pb(NO₃)₂+ K₂SO₄-> PbSO₄+ 2KNO₃
CrCl₃+ 3NaOH-> Cr(OH)₃+ 3NaCl