Be sure to answer all parts. A 35.00-ml solution of 0.2500 M HF is titrated with a standardized 0.1803 M solution of M C. (a) What is the pH of the HF solution before titrant is added? (b) How many milliliters of titrant are required to reach the equivalence point? ml. (c) What is the pH at 0.50 mL. before the equivalence point?

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
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Be sure to answer all parts.
A 35.00-ml solution of 0.2500 M HF is titrated with a standardized 0.1803 M solution of NaOH at 25°
C.
(a) What is the pH of the HF solution before titrant is added?
(b) How many milliliters of titrant are required to reach the equivalence point?
mL
(c) What is the pH at 0.50 mL. before the equivalence point?
(d) What is the pH at the equivalence point?
(e) What is the pH at 0.50 mL after the equivalence point?
Transcribed Image Text:Be sure to answer all parts. A 35.00-ml solution of 0.2500 M HF is titrated with a standardized 0.1803 M solution of NaOH at 25° C. (a) What is the pH of the HF solution before titrant is added? (b) How many milliliters of titrant are required to reach the equivalence point? mL (c) What is the pH at 0.50 mL. before the equivalence point? (d) What is the pH at the equivalence point? (e) What is the pH at 0.50 mL after the equivalence point?
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