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The Hg2+ ion forms complex ions with I - as follows:
Hg2+(aq) + I -(aq) ⇌ HgI+(aq) K 1 = 1.0 X 108
HgI+(aq) + I -(aq) ⇌ HgI2(aq) K 2 = 1.0 X 105
HgI2(aq) + I -(aq) ⇌ HgI3-(aq) K 3 = 1.0 X 109
HgI3-(aq) + I -(aq) ⇌ HgI42-(aq) K 4 = 1.0 X 108
A solution is prepared by dissolving 0.088 mole of Hg(NO3)2 and 5.00 moles of NaI in enough water to make 1.0 L of solution.
c. Calculate the equilibrium concentration of [Hg2+].
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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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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl 2nd Edition practice problems.