Problem: What is the pH of a saturated solution of Zn(OH)2? Ksp = 1.8x10-14

FREE Expert Solution
97% (199 ratings)
FREE Expert Solution

Zn(OH)2(s)  Zn2+(aq) + 2 OH(aq)




The Ksp expression for Zn(OH)2 is:


Ksp=productsreactants=[Zn2+][OH-]2



Calculate OH- concentration:


Ksp=(x)(2x)2Ksp=x(4x2)


Ksp=4x3

1.8×10-144=4x344.5×10-153=x33


x = 1.651 × 10–5 M

97% (199 ratings)
Problem Details

What is the pH of a saturated solution of Zn(OH)2? Ksp = 1.8x10-14

Frequently Asked Questions

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 Ksp concept. You can view video lessons to learn Ksp Or if you need more Ksp practice, you can also practice Ksp practice problems .

How long does this problem take to solve?

Our expert Chemistry tutor, Alisa took 3 minutes to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

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