Chemistry I24) Calculate the pH of solutions with the following hydroxide-ion concentration. [OH-] = 1.0 x 10^-4M 12.00 14.00 10.00 9.00Previous Question Next QuestionDo not use the 'Forward' or 'Back' button on your browser.
Question
Chemistry I24) Calculate the pH of solutions with the following hydroxide-ion concentration. [OH-] = 1.0 x 10^-4M 12.00 14.00 10.00 9.00Previous Question Next QuestionDo not use the 'Forward' or 'Back' button on your browser.
Solution
To calculate the pH of a solution with a given hydroxide-ion concentration, you first need to find the pOH, and then use that to find the pH. Here are the steps:
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Calculate the pOH: The pOH is the negative logarithm (base 10) of the hydroxide ion concentration. In this case, the [OH-] is 1.0 x 10^-4 M. So, the pOH is -log(1.0 x 10^-4) = 4.
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Calculate the pH: The pH and pOH of a solution at 25 degrees Celsius are related by the equation pH + pOH = 14. So, you can find the pH by subtracting the pOH from 14. In this case, the pH is 14 - 4 = 10.
So, the pH of the solution is 10.
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