2 A student determined the concentration of a weak acid, acetic acid, by a titrimetric method using a standard NaOH solution and a pH meter for end point detection. Table 1.0 below shows the data that was obtained by the student. Table 1.0: Potentiometric titration of acetic acid with 0.100 M standard NaOH solution Burette Reading Volume of NaOH added (mL) pH reading 11.54 0 3.14 12.25 0.71 3.70 13.40 1.86 4.16 16.59 5.05 4.77 17.50 5.96 4.93 19.35 7.81 5.24 20.41 8.87 5.49 21.00 9.46 5.68 21.60 10.06 5.96 21.83 10.29 6.14 22.01 10.47 6.34 22.12 10.58 6.48 22.20 10.66 6.68 22.30 10.76 6.97 22.38 10.84 7.73 22.41 10.87 9.21 22.49 10.95 10.04 22.55 11.01 10.57 22.61 11.07 10.83 23.00 11.46 11.35 23.31 11.77 11.62 23.71 12.17 11.76 24.30 12.76 11.89 25.20 13.66 12.03 Plot a curve of pH versus the volume of NaOH and determine the end point a.
2 A student determined the concentration of a weak acid, acetic acid, by a titrimetric method using a standard NaOH solution and a pH meter for end point detection. Table 1.0 below shows the data that was obtained by the student. Table 1.0: Potentiometric titration of acetic acid with 0.100 M standard NaOH solution Burette Reading Volume of NaOH added (mL) pH reading 11.54 0 3.14 12.25 0.71 3.70 13.40 1.86 4.16 16.59 5.05 4.77 17.50 5.96 4.93 19.35 7.81 5.24 20.41 8.87 5.49 21.00 9.46 5.68 21.60 10.06 5.96 21.83 10.29 6.14 22.01 10.47 6.34 22.12 10.58 6.48 22.20 10.66 6.68 22.30 10.76 6.97 22.38 10.84 7.73 22.41 10.87 9.21 22.49 10.95 10.04 22.55 11.01 10.57 22.61 11.07 10.83 23.00 11.46 11.35 23.31 11.77 11.62 23.71 12.17 11.76 24.30 12.76 11.89 25.20 13.66 12.03 Plot a curve of pH versus the volume of NaOH and determine the end point a.
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 34QRT
Related questions
Question
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 5 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Recommended textbooks for you
Chemistry: The Molecular Science
Chemistry
ISBN:
9781285199047
Author:
John W. Moore, Conrad L. Stanitski
Publisher:
Cengage Learning
Chemical Principles in the Laboratory
Chemistry
ISBN:
9781305264434
Author:
Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher:
Brooks Cole
Chemistry: The Molecular Science
Chemistry
ISBN:
9781285199047
Author:
John W. Moore, Conrad L. Stanitski
Publisher:
Cengage Learning
Chemical Principles in the Laboratory
Chemistry
ISBN:
9781305264434
Author:
Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher:
Brooks Cole
Principles of Modern Chemistry
Chemistry
ISBN:
9781305079113
Author:
David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:
Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:
9780534420123
Author:
Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:
Cengage Learning