Problem: The overall formation constant for HgI42- is 1.0 X 1030. That is,What is the concentration of Hg 2+ in 500.0 mL of a solution that was originally 0.010 M Hg 2+ and 0.78 M I-? The reaction is      Hg2+(aq) + 4I -(aq) ⇌ HgI42-(aq)

FREE Expert Solution

Step 1: ICE chart 


Step 2: Kf expression


Kf = [products][reactants]=[HgI4][Hg2+][I-]4

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Problem Details

The overall formation constant for HgI42- is 1.0 X 1030. That is,

What is the concentration of Hg 2+ in 500.0 mL of a solution that was originally 0.010 M Hg 2+ and 0.78 M I-? The reaction is 

     Hg2+(aq) + 4I -(aq) ⇌ HgI42-(aq)


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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Formation Constant concept. If you need more Formation Constant practice, you can also practice Formation Constant practice problems.

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Based on our data, we think this problem is relevant for Professor Scerri's class at UCLA.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.