Essay
Fe(NO3)3 (0.00100 mol)and KSCN (0.200 mol)are added to water to make exactly 1 liter of solution.The red complex ion FeSCN2+ is produced.Calculate the concentrations of Fe3+(aq)and FeSCN2+(aq)at equilibrium,if Kf of the FeSCN2+ is 8.9 102.
Correct Answer:

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[Fe3+] = 5.6
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