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I think I have the first 2 parts of this question correct, but I am having trouble with the 3rd part. Please Help

Calculate the OH-1 and the pH of a solution with an IH+-0.068 M at 25 °C. joHrl- 1471 x10 pH0.1675 Calculate the H] and the pH of a solution with an [OH] -8.0x 10 M at 25 c. [H+] = | 1.22 x10-13 pH= | 12.9138

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