If the pH of a solution is 5, what its the pOH

9

Explanation:

Given parameters:

pH of solution = 5

Unknown;

pOH of the solution = ?

Solution:

The pH scale is a scale that delineates the hydrogen ion concentration of a solution. It marked from 1 to 14.

        pH = -log[H⁺]

For any aqueous solution, the sum of the pH and pOH is 14;

              pH + pOH = 14

since pH = 5;

                  pOH = 14 - pH

                  pOH = 14 -5 = 9

The pOH of the solution is 9.

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