A student performs the pka of an Indicator experiment with phenol red, and obtains the following data at 560 nm. pH 7.13 7.39 7.79 8.21 8.56 Pure Hin Pure In 1: Calculate log A-AIN АHIN Absorbance 0.144 0.234 0.402 0.550 0.627 0.0003 0.712 A- A In- AHIn - A log- for the five solutions, as well as the pka for each. n-A 2: Calculate the average pka. Using this value, calculate the Ka of phenol red. pka
A student performs the pka of an Indicator experiment with phenol red, and obtains the following data at 560 nm. pH 7.13 7.39 7.79 8.21 8.56 Pure Hin Pure In 1: Calculate log A-AIN АHIN Absorbance 0.144 0.234 0.402 0.550 0.627 0.0003 0.712 A- A In- AHIn - A log- for the five solutions, as well as the pka for each. n-A 2: Calculate the average pka. Using this value, calculate the Ka of phenol red. pka
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter16: Acids And Bases
Section: Chapter Questions
Problem 19QAP: . How is the strength of an acid related to the fact that a competition for protons exists in...
Related questions
Question
See image below
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
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
Introductory Chemistry: A Foundation
Chemistry
ISBN:
9781337399425
Author:
Steven S. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Introductory Chemistry: A Foundation
Chemistry
ISBN:
9781337399425
Author:
Steven S. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Principles of Modern Chemistry
Chemistry
ISBN:
9781305079113
Author:
David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:
Cengage Learning