Chapter 16.4, Problem 4CP

What is the concentration of $\text{KOH}$ in a solution at $\text{25°C}$ that has $\text{pOH}$ 3.31

a)

$2.0 \times {10}^{-11}M$

b)

$3.3 \times {10}^{-1}M$

c)

$3.3 \times {10}^{-7}M$

d)

$4.5 \times {10}^{-4}M$

e)

$4.9\times {10}^{-4}M$