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 Compare the calculated pH of buffers A, B, C, D, and E to the measured pH of each of these buffers in Experiment What did you notice? Describe what may have accounted for any variations in pH if you saw any variations.
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 Compare the calculated pH of buffers A, B, C, D, and E to the measured pH of each of these buffers in Experiment What did you notice? Describe what may have accounted for any variations in pH if you saw any variations.
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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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 |
Compare the calculated pH of buffers A, B, C, D, and E to the measured pH of each of these buffers in Experiment What did you notice? Describe what may have accounted for any variations in pH if you saw any variations.
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