smokey83
smokey83
07-07-2017
Chemistry
contestada
Au(NO3)3 added with water? Aq or s?
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dec77cat
dec77cat
07-07-2017
Gold (III) nitrate in an aqueous solution is hydrolyzed with formation of gold (III) metahydroxide.
Au(NO₃)₃ → Au³⁺(aq) + 3NO₃⁻(aq)
Au³⁺ + H₂O ⇄ AuOH²⁺ + H⁺
AuOH²⁺ + H₂O ⇄ Au(OH)₂⁺ + H⁺
Au(OH)₂⁺ + H₂O → AuOOH·H₂O(s) + H⁺
Au(NO₃)₃(aq) + 2H₂O(l) =
AuOOH(s)
+ 3HNO₃(aq)
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