In your analytical lab, you wish to determine the solubility of Fe³* for the following reaction that is occurring in 0.10 M KNO3. Fe(OH)3 (s) → Fe³+ (aq) + 30H (aq) If the activity coefficient for Fe³* is 0.180, and the activity coefficient for OH is 0.850. Under these conditions, what is the concentration of Fe³*? A) 2.30 x 10-10 B) 2.79 x 10-10 C) 1.32 x 10-10 D) None of the above

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In your analytical lab, you wish to determine the solubility of Fe³* for the following reaction that
is occurring in 0.10 M KNO3.
Fe(OH)3 (s) → Fe³+ (aq) + 3OH(aq)
If the activity coefficient for Fe³+ is 0.180, and the activity coefficient for OH is 0.850. Under
these conditions, what is the concentration of Fe³+?
A) 2.30 x 10-10
B) 2.79 x 10-10
C) 1.32 x 10-10
D) None of the above
Transcribed Image Text:In your analytical lab, you wish to determine the solubility of Fe³* for the following reaction that is occurring in 0.10 M KNO3. Fe(OH)3 (s) → Fe³+ (aq) + 3OH(aq) If the activity coefficient for Fe³+ is 0.180, and the activity coefficient for OH is 0.850. Under these conditions, what is the concentration of Fe³+? A) 2.30 x 10-10 B) 2.79 x 10-10 C) 1.32 x 10-10 D) None of the above
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