Fe-FeCL-....-tFe2O3-....-FePO4

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вопрос

This seems to be a chemical reaction involving the transformation of iron (Fe) into various compounds through oxidation and precipitation reactions. The reaction starts with iron (Fe) reacting with hydrochloric acid (HCl) to form iron chloride (FeCl2 or FeCl3). This is followed by the formation of iron(III) oxide (Fe2O3) through further oxidation of iron. Finally, the precipitation of iron phosphate (FePO4) takes place, forming a solid compound. The ellipses (...) indicate additional steps or compounds that may be involved in the reaction.