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Question

What is the ratio of uncomplexed to complexed Zn2+ ion in a solution that is 10M in NH3, if the stability constant of [Zn(NH3)4]2+ is 3×109?
  1. 3.3×109
  2. 3.3×1014
  3. 3.3×1011
  4. 3×1013

A
3.3×109
B
3×1013
C
3.3×1011
D
3.3×1014
Solution
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Zn2++4NH3[Zn(NH3)4]2+

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