A 20.0 mL 0.150 M HF (aq) was titrated with 0.125 M KOH(aq) to convert all the initial acid to fluoride ions. What is the pH of the solution if the volume of KOH(aq) that was added is 32.0 mL? O 12.50 O 1.72 1.50 O 12.28

A 20.0 mL 0.150 M HF (aq) was titrated with 0.125 M KOH(aq) to convert all the initial acid to fluoride ions. What is the pH of the solution if the volume of KOH(aq) that was added is 32.0 mL? O 12.50 O 1.72 1.50 O 12.28

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter15: Complex Ion And Precipitation Equilibria

Section: Chapter Questions

Problem 15QAP: A solution with a pH of 9.22 is prepared by adding water to 0.413 mol of KX to make 2.00 L of...

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

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A
20.0 mL 0.150 M HF (aq) was titrated with 0.125 M KOH(aq) to convert all the initial acid to fluoride ions. What
is the pH of the solution if the volume of KOH(aq) that was added is 32.0 mL?
O 12.50
O 1.72
1.50
O 12.28

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An aqueous solution contains a mixture of 0.0500 M HCOOH (Ka = 1.77 104) and 0.150 M CH3CH2COOH (Ka = 1.34 105). Calculate the pH of this solution. Because both acids are of comparable strength, the H+ contribution from both acids must be considered.
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