Fe(OH)₃ + 3NaOH (изб.) = Na₃[Fe(OH)₆]
Fe(OH)₃ + 3Na⁺ + 3ОH⁻ = 3Na⁺ + [Fe(OH)₆]³⁻
Fe(OH)₃ + 3ОH⁻ = [Fe(OH)₆³⁻
Fe(OH)₃ + 3NaOH (изб.) = Na₃[Fe(OH)₆]
Fe(OH)₃ + 3Na⁺ + 3ОH⁻ = 3Na⁺ + [Fe(OH)₆]³⁻
Fe(OH)₃ + 3ОH⁻ = [Fe(OH)₆³⁻