Al-na[al(oh)4]-albr3-al(oh)3 al(no3)2-al2o3-al сделать тэд albr3-al(oh)3 сделать тэд al(oh)3-al(no3)2
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Ответы на вопрос:
al→na[al(oh)₄]→albr₃→al(oh)₃→ al(no₃)₃→ai(oh)₃ →al₂o₃→al
2al + 2naoh + 6h₂o = na[al(oh)₄] + 3h₂
2na[al(oh)₄] + 6hbr = 2albr₃ + 2naoh + 3h₂o
albr₃ + 3naoh = al(oh)₃↓ + 3nabr
al³⁺ + 3br⁻ + 3na⁺ + 3oh⁻ = al(oh)₃↓ + 3na⁺ + 3br⁻
al³⁺ + 3oh⁻ = al(oh)₃↓
al(oh)₃ + 3hno₃ = al(no₃)₃ + 3h₂o
al(oh)₃ + 3h⁺ + 3no₃⁻ = al³⁺ +3no₃ ⁻ + 3h₂o
al(oh)₃ + 3h⁺ = al³⁺ + 3h₂o
al(no₃)₃ + 3naoh = al(oh)₃↓ + 3nano₃
2ai(oh)₃ = al₂o₃ + 3h₂o
al₂o₃ + 3mg = 2al + 3mgo
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