Написать уравнения реакций Fe->FeCl3->Fe(OH)3->Fe2O3->Fe->FeS 2. ...

lerakuzmina2001 @lerakuzmina2001

June 2022 2 33 Report

Написать уравнения реакций Fe->FeCl3->Fe(OH)3->Fe2O3->Fe->FeS
2. Al->Al2O3->AlCl3->Al(OH)3->NaAlO2->Al(Na3)3
Срочноооо!!!

krioira 1) 2Fe +6 HCl -> 2FeCl3 +3 H2
FeCl3 + 3NaOH -> Fe(OH)3 + 3NaCl
2Fe(OH)3 -> Fe2O3 + 3H2O
2Fe2O3 -> 4Fe + 3O2
Fe + S -> FeS

2) 4Al + 3O2 -> 2Al2O3
Al2O3 + 6HCl -> 2AlCl3 +3 H2O
AlCl3 + 3NaOH -> Al(OH)3 + 3NaCl
Al(OH)3 + NaOH -> NaAlO2 + 2H2O
NaAlO2 + 4HNO3 -> Al(NO3)3 + NaNO3 + 2H2O

0 votes Thanks 0

svetka1574

Verified answer

2Fe+3Cl2 → 2FeCl3
FeCl3+3H2O → 3HCl+Fe(OH)3
2Fe(OH)3 → Fe2O3+3H2O
2Fe2O3 → 4Fe+3O2
Fe+S → FeS

4Al+3O2 → 2Al2O3
Al2O3+6HCl → 2AlCl3+3H2O
AlCl3+3H2O → Al(OH)3+3HCl
Al(OH)3+NaOH → 2H2O+NaAlO2

1 votes Thanks 1

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