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
Problem 100QRT
Related questions
Question
A local company sent you their green alternative for window cleaner to be tested for percent (w/v) acetic acid content. For your experiment, you first standardized your NaOH titrant with 0.8053 g of (99.80 % purity) KHP. You used 40.60 mL of NaOH for your standardization. After that you then analyzed a 10.00 mL sample and found that you needed 43.20 mL NaOH to reach the end point.
Summary of results:
Standardization |
Sample analysis |
||
KHP Weight (g) |
0.8053 g |
Volume of sample |
50.00 mL |
Purity |
99.80% |
NaOH (mL) used |
33.20 mL |
NaOH (mL) used |
40.60 mL |
|
|
Determine the following:
- Molarity of NaOH
- % (w/v) acetic acid
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