Question

2. Calculate the pH of a solution that has a [OH-] = 2.50 x 10-4M. and pOH
4

Answer 1

The pH of the solution is 10.40.

Step-by-step explanation:

To get POH, we use this formula:

POH = -log[OH]

= -log 2.5 x 10^-4

= 3.6

when PH + POH = 14

therefore, = 14 - POH

= 14 - 3.6

= 10.4