Answer :
The pOH of a 3.6pH solution is 10.4. This indicates the alkalinity of a solution based on the hydroxide ion concentration.
pH is the negative logarithm of hydrogen ion concentration while pOH is the negative logarithm of hydroxide ion concentration. High value of pH indicates the alkalinity of the solution while high value of pOH indicates the acidity of the solution.
The sum of pH and pOH is equal to the dissociation constant of water, which is 14. pOH can be obtained using the value of pH given above.
pH + pOH = 14
3.6 + pOH = 14
pOH = 14- 3.6
pOH = 10.4
The 10.4 pOH value indicates that the solution is considered acidic since it is between the value of 8 to 14. Based on this pOH value, the hydroxide concentration is [tex]10^{-10.4}[/tex] or 3.98x10-11 mol/L.
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