Experiment 2: Investigating the Properties of Buffer Solutions Test Data: pH of Cola Solution 2.5 pH of Borax Solution:9.7 Table 3: Observing the Effects of Acid (Cola) on Buffer A and Water Solution pH with 0 mL Cola pH with 5.0 mL Cola pH with 10.0 mL Cola pH with 20.0 mL Cola Buffer Beaker A 4.2 4.7 4.2 4.2 Water Beaker C 7 3.3 n/a n/a Table 4: Observing the Effects of Base (Borax) on Buffer B and Water Solution pH with 0 mL Borax Solution pH with 5.0 mL Borax Solution pH with 10.0 mL Borax Solution pH with 20.0 mL Borax Solution Buffer Beaker B 4.2 4.2 4.3 4.6 Water Beaker D 6.9 8.7 n/a n/a questions - .What happened when the cola and borax solutions were added to the buffers in Beakers A and B? Did either of these buffers reach their buffer capacity? How do you know - What happened when the cola and borax solutions were added to the distilled water? Is distilled water a buffer? Explain your answer using the results of this experiment.
Experiment 2: Investigating the Properties of Buffer Solutions Test Data: pH of Cola Solution 2.5 pH of Borax Solution:9.7 Table 3: Observing the Effects of Acid (Cola) on Buffer A and Water Solution pH with 0 mL Cola pH with 5.0 mL Cola pH with 10.0 mL Cola pH with 20.0 mL Cola Buffer Beaker A 4.2 4.7 4.2 4.2 Water Beaker C 7 3.3 n/a n/a Table 4: Observing the Effects of Base (Borax) on Buffer B and Water Solution pH with 0 mL Borax Solution pH with 5.0 mL Borax Solution pH with 10.0 mL Borax Solution pH with 20.0 mL Borax Solution Buffer Beaker B 4.2 4.2 4.3 4.6 Water Beaker D 6.9 8.7 n/a n/a questions - .What happened when the cola and borax solutions were added to the buffers in Beakers A and B? Did either of these buffers reach their buffer capacity? How do you know - What happened when the cola and borax solutions were added to the distilled water? Is distilled water a buffer? Explain your answer using the results of this experiment.
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...
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Question
Experiment 2: Investigating the Properties of Buffer Solutions
Test Data:
- pH of Cola Solution 2.5
- pH of Borax Solution:9.7
Table 3: Observing the Effects of Acid (Cola) on Buffer A and Water
|
Solution |
pH with 0 mL Cola |
pH with 5.0 mL Cola |
pH with 10.0 mL Cola |
pH with 20.0 mL Cola |
Buffer Beaker A |
4.2 |
4.7 |
4.2 |
4.2 |
Water Beaker C |
7 |
3.3 |
n/a |
n/a |
Table 4: Observing the Effects of Base (Borax) on Buffer B and Water
|
Solution |
pH with 0 mL Borax Solution |
pH with 5.0 mL Borax Solution |
pH with 10.0 mL Borax Solution |
pH with 20.0 mL Borax Solution |
Buffer Beaker B |
4.2 |
4.2 |
4.3 |
4.6 |
Water Beaker D |
6.9 |
8.7 |
n/a |
n/a |
questions
- .What happened when the cola and borax solutions were added to the buffers in Beakers A and B? Did either of these buffers reach their buffer capacity? How do you know
- What happened when the cola and borax solutions were added to the distilled water? Is distilled water a buffer? Explain your answer using the results of this experiment.
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