Fe2O3 + 6 HCl → 2 FeCl3 + 3 H2O – Balanced equation

Or you want a quick look:

This is an acid-base reaction (neutralization): Fe2O3 is a base, HCl is an acid.

Reactants:

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  • Fe2O3Iron(III) oxide
    • Other names: Ferric oxide , Hematite , Ferric iron
    • Appearance: Red-brown solid ; Reddish brown-to-black crystals or powder ; Reddish-brown solid. [Note: Exposure to fume may occur during the arc-welding of iron.] ; A fine, red powder of ferric oxide. [Note: Usually used in cake form or impregnated in paper or cloth.]
  • HClChlorane , Hydrogen chloride
    • Other names: Hydrochloric acid , M , Uriatic acid
    • Appearance: Colorless, transparent liquid, fumes in air if concentrated ; Colorless gas ; Colourless compressed liquefied gas with pungent odour ; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]

Products:

  • FeCl3Iron(III) chloride , Iron trichloride
    • Other names: {{ubl , Ferric chloride , Ferric chloride (anhydrous)
    • Appearance: Green-black by reflected light; purple-red by transmitted light; yellow solid as hexahydrate; brown as {{abbr|aq.|aqueous}} solution ; Black-to-brown hygroscopic crystals
  • H2OWater, oxidane
    • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas
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