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Fe(3 валентность) -> FeCl3 -> Fe(NO3)3 -> Fe(OH)3 -> Fe2O3 -> Fe(OH)3
Fe(3 валентность) -> FeCl3 -> Fe(NO3)3 -> Fe(OH)3 -> Fe2O3 -> Fe(OH)3
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Verified answer
2Fe + 6HCl = 2FeCl3 + 3H2FeCl3 + 3AgNO3 = 3AgCl + Fe(NO3)3
Fe(NO3)3 + 3KOH = Fe(OH)3 + 3KNO3
2Fe(OH)3 ----t--- > Fe2O3 + 3H2O
Fe2O3---- > Fe(OH)3 ??