- A 25.00-mL sample of an H,SO4 solution of unknown concentration is titrated with a 0.1322 M KOH solution. A volume of 41.22 mL of KOH is required to reach the equivalence point. What is the concentration of the un- known H,SO4 solution?
- A 25.00-mL sample of an H,SO4 solution of unknown concentration is titrated with a 0.1322 M KOH solution. A volume of 41.22 mL of KOH is required to reach the equivalence point. What is the concentration of the un- known H,SO4 solution?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 81E: Which of the indicators in Fig. 14-8 could be used for the titrations in Exercises 61 and 63?
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Question
#49 I keep getting.2179 but the book says half of that, at.1090
![520 | CHAPTER 14
Acids and Bases
49. A 25.00-mL sample of an H,SO4 solution of unknown
concentration is titrated with a 0.1322 M KOH solution.
A volume of 41.22 mL of KOH is required to reach the
equivalence point. What is the concentration of the un-
known H,SO4 solution?
51. What volume in milliliters of a 0.121 M sodium hydroxide
solution is required to reach the equivalence point in the
complete titration of a 10.0-mL sample of 0.102 M sulfuric
acid?
STRONG AND WEAK ACIDS AND BASES
53. Classify each acid as strong or weak.
(a) HCI
(b) HF
(c) HBr
(d) H,SO3
55. Determine [H3O*] in each acid solution. If the acid is weak.
indicate the value that [H,O*]is less than.
(a) 17 M HR.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F04750898-40b6-4507-9bb8-e18bccce9e61%2F9076245a-1c5b-4e66-9c2a-f6e27baa7df3%2F2vo0kep_processed.jpeg&w=3840&q=75)
Transcribed Image Text:520 | CHAPTER 14
Acids and Bases
49. A 25.00-mL sample of an H,SO4 solution of unknown
concentration is titrated with a 0.1322 M KOH solution.
A volume of 41.22 mL of KOH is required to reach the
equivalence point. What is the concentration of the un-
known H,SO4 solution?
51. What volume in milliliters of a 0.121 M sodium hydroxide
solution is required to reach the equivalence point in the
complete titration of a 10.0-mL sample of 0.102 M sulfuric
acid?
STRONG AND WEAK ACIDS AND BASES
53. Classify each acid as strong or weak.
(a) HCI
(b) HF
(c) HBr
(d) H,SO3
55. Determine [H3O*] in each acid solution. If the acid is weak.
indicate the value that [H,O*]is less than.
(a) 17 M HR.
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