Ответы на вопрос:
Agf + nabr → naf + agbr↓ (осадок) ag⁺ + f⁻ + na⁺ + br⁻ → na⁺ + f⁻ + agbr↓ ag⁺ + br⁻ → agbr↓
Al₂o₃ + 6hcl = 2alcl₃ + 3h₂o alcl₃ + naoh = alohcl₂ + nacl alohcl₂ + naoh = al(oh)₂cl + nacl al(oh)₂cl + naoh = al(oh)₃ + nacl 2al(oh)₃ (t)= al₂o₃ + 3h₂o
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