The hydroxide-ion concentration is 4.0x10-6 M, what is the pOH of the solution?
gsenviro | Certified Educator
The hydroxide ion concentration is given as 4 x 10^-6 M
[OH-] = 4 x 10^-6 M
The pOH is defined as
pOH = -log [OH-] = -log [4 x 10^-6]
= 5.398 ~ 5.4
Hope this helps.