Find the concentration of hydroxide, OH-, ions in a 0.100 M solution of HOAc, acetic acid

General Chemistry - Standalone book (MindTap Course List)
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ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter15: Acids And Bases
Section: Chapter Questions
Problem 15.19QP: Acids You make a solution by dissolving 0.0010 mol of HCl in enough water to make 1.0 L of solution....
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Typically, the concentration of hydronium, H3O+, or hydroxide, OH-, ions in an aqueous solution is less than 1 M. It is not uncommon to have hydronium ion concentrations that are much smaller, such as 2.60×10 -5. pH, therefore, is a convenient way to restate the hydronium concentration. pH is equal to the negative log of a hydronium ion concentration in solution:

pH=−log[H3O+]

1.) Find the concentration of hydroxide, OH-, ions in a 0.100 M solution of HOAc, acetic acid. Express your answer to three significant figures, and include the appropriate units.

(I already found the pH of HOAc = 2.880)

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