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23-08-2022
Chemistry

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Potassium thiocyanate, KSCN, is often used to detect the presence of Fe³⁺ ions in solution through the formation of the red Fe(H₂O)₅SCN²⁺ (or, more simply, FeSCN²⁺; Kf=8.9X10²). What is [Fe³⁺] when 0.50 L each of 0.0015 M Fe(NO₃)₃ and 0.20 M KSCN are mixed?

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