Автор - katya2345678901

Ca->CaO->Ca(OH)2->Fe(OH)3->Fe2O3->FeCl3

Ответ

Автор - IrVB
2Ca + O2 = 2CaO
CaO + H2O = Ca(OH)2
3Ca(OH)2 + 2Fe(NO3)3 = 2Fe(OH)3 + 3Ca(NO3)2
2Fe(OH)3 = Fe2O3 + 3H2O
Fe2O3 + 6HCl = 2FeCl3 + 3H2O

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