Multiple Choice
What is the approximate concentration of free Fe2+ remaining at equilibrium in a solution prepared by mixing 5.0 mL of 0.10 M FeSO4 with 5.0 mL of 2.0 M KCN? [The net formation constant for the hexacyanoferrate(II) ion is 1 × 1037.]
A) 3 × 10-22 M
B) 7 × 10-30 M
C) 4 × 10-38 M
D) 5 × 10-37 M
E) 4 × 10-40 M
Correct Answer:
Verified
Correct Answer:
Verified
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