For this problem, we’re being asked to calculate the solubility (in g/L) of Ni(OH)2.
Since the Ni(OH)2 is an ionic compound, it forms ions when dissociating in water. The dissociation of Ni(OH)2 in water is as follows:
The hydroxide ion, OH–, has a charge of –1. Nickel then has a charge of +2:
Ni(OH)2(s) ⇌ Ni2+(aq) + 2 OH–(aq)
We can construct an ICE table for the dissociation of Ni(OH)2.
Remember that solids are ignored in the ICE table and Ksp expression.
The Ksp of nickel (II) hydroxide, Ni(OH)2, is 5.84 x 10-16. Calculate the solubility of this compound in g/L.
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Our tutors rated the difficulty ofThe Ksp of nickel (II) hydroxide, Ni(OH)2, is 5.84 x 10-16. ...as medium difficulty.
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Based on our data, we think this problem is relevant for Professor Hatfield's class at UIC.