Table 21.1 Row/Col A Solution 2 5 Distille water Yellow light Pungle Time 3 Distilled Clear Clear Clever Pinks Pink Water 3 6 Buffer light lightie Purple Purple Pujole 4 Buffer Clear Clear y Clear Cleary clear 4 1. How did the pH of the buffer in well D3 compare with the theoretical value of 4.8? B C D 1 yellow 3 3 2. What is the pH of pure water? 4 3. How much did the pH of water change when HCI was added? Compare this with the change of the buffer when HCI was added. Look for the change in pH when the HCli added, not just the pH. Compare columns 1 and 2 with column 3. Remember that th pH ranges are: bromophenol blue, 3 yellow to 4.6 purple; and phenolphthalein, 8.3 c to 10 red.

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
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
icon
Related questions
Question
4. How much did the pH of water change when NaOH was added? Compare this with the
pH change of the buffer when NaOH was added. Look for a change in pH when the
NaOH is added. Compare column 3 with columns 4 and 5.
5. Why is aspirin sometimes buffered?
6. Do research to find how buffers are used in the human body (acid-base homeostasis).
Why are buffers important for life?
Transcribed Image Text:4. How much did the pH of water change when NaOH was added? Compare this with the pH change of the buffer when NaOH was added. Look for a change in pH when the NaOH is added. Compare column 3 with columns 4 and 5. 5. Why is aspirin sometimes buffered? 6. Do research to find how buffers are used in the human body (acid-base homeostasis). Why are buffers important for life?
LAB 21
Questions for Buffers
Table 21.1
Row/Col
A
B
C
D
2
3
Solution
1
Distille
yellow
water
3
Dated Clear Clear Clear Pink Pink
Distilled
6
3
Buffer light
purple
2. What is the pH of pure water?
4
Yellow light
Purple 6
Tight,
porriea
4
Buffer Clear Clary clear
Clear Clear
Cleary
1. How did the pH of the buffer in well D3 compare with the theoretical value of 4.8?
5
Lab
21
3. How much did the pH of water change when HCI was added? Compare this with the pH
change of the buffer when HCI was added. Look for the change in pH when the HCI is
added, not just the pH. Compare columns 1 and 2 with column 3. Remember that the
pH ranges are: bromophenol blue, 3 yellow to 4.6 purple; and phenolphthalein, 8.3 clear
to 10 red.
Transcribed Image Text:LAB 21 Questions for Buffers Table 21.1 Row/Col A B C D 2 3 Solution 1 Distille yellow water 3 Dated Clear Clear Clear Pink Pink Distilled 6 3 Buffer light purple 2. What is the pH of pure water? 4 Yellow light Purple 6 Tight, porriea 4 Buffer Clear Clary clear Clear Clear Cleary 1. How did the pH of the buffer in well D3 compare with the theoretical value of 4.8? 5 Lab 21 3. How much did the pH of water change when HCI was added? Compare this with the pH change of the buffer when HCI was added. Look for the change in pH when the HCI is added, not just the pH. Compare columns 1 and 2 with column 3. Remember that the pH ranges are: bromophenol blue, 3 yellow to 4.6 purple; and phenolphthalein, 8.3 clear to 10 red.
Expert Solution
steps

Step by step

Solved in 5 steps

Blurred answer
Knowledge Booster
Complexometric Titrations
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.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY