Explanation
Given
Concentration of KOH = 8.63x10^-05 M
Required: pH of the solution
Solution
pOH = -log[OH-]
pOH = -log[8.63x10^-05]
pOH = 4.07
pH = 14-pOH
pH = 14-4.07
pH = 9.93
Therefore the solution is basic since the pH is higher than 7
Answers
pH of KOH = 9.93
Solution is a base
