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Do you expect Sc2O3 to react when the solution becomes acidic or when it becomes basic? write balanced chemical equation

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Sc2O3, Scandium Oxide, do not react with pure water but it reacts when the solution becomes acidic.

Solid scandium(III) oxide reacts with aqueous acid solution to produce aqueous scandium(III) ions and liquid water

Sc2O3 + 6 HCl + x H2O → 2 ScCl3·nH2O + 3 H2O

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