The original question is to find the pH and the pOH of 0.023 M of perchloric acid.
Answer: pH = 1.638 pOH = 12.362
Explanation: 1- getting the pH: pH can be calculated using the following rule: pH = -log[H+] Since the given solution is an acid, this means that [H+] is the same as the concentration of the solution. This means that: [H+] = 0.023 Substitute in the above equation to get the pH as follows: pH = -log[0.023] pH = 1.638
2- getting the pOH: We know that: pH + pOH = 14 We have calculated that pH = 1.638. Substitute in the above equation to get the pOH as follows: pOH + 1.638 = 14 pOH = 14 - 1.638 pOH = 12.362