1. 4P + 5O₂ → 2P₂O₅
P₂O₅ + H₂O → 2H₃PO₄
H₃PO₄+ 3KOH → K₃PO₄ + 3H₂O
2. 4Al + 3O₂ → 2Al₂O₃
Al₂O₃ + 6HCl → 2AlCl₃ + 3H₂O
AlCl₃ + 3NaOH → Al(OH)₃ + 3NaCl
2Al(OH)₃ →t°→ Al₂O₃ + 3H₂O
2Al₂O₃ →электролиз→ 4Al + 3O₂
1. 4P + 5O₂ → 2P₂O₅
P₂O₅ + H₂O → 2H₃PO₄
H₃PO₄+ 3KOH → K₃PO₄ + 3H₂O
2. 4Al + 3O₂ → 2Al₂O₃
Al₂O₃ + 6HCl → 2AlCl₃ + 3H₂O
AlCl₃ + 3NaOH → Al(OH)₃ + 3NaCl
2Al(OH)₃ →t°→ Al₂O₃ + 3H₂O
2Al₂O₃ →электролиз→ 4Al + 3O₂