Based on these calculated concentrations, calculate the expected pH of the buffer solution. Compare this to the measured pHPart IV Sodium acetate trihydrate mass (g) = 6.6072 Part IV Sodium acetate trihydrate mass (g) = 6.6072 Deionized Water Buffer solution Beaker 1 Beaker 2 Beaker 3 Beaker 4 Total pH Total pH Volume of Volume Total Volume pH 1 M of of Total Volume of pH NaOH 1 M HCI 1 M 1 M HCI added added NaOH added added 0 drops 6.937 0 drops 6.775 0 mL 4.664 0 mL 4.666 1 drop 11.268 1 drop 3.483 1 mL 4.755 1 mL 4.579 Add 1 2 drops 11.722 2 drops 2.372 2 mL 4.971 2 mL 4.372 Add 2 6 drops 12.134 6 drops 1.826 6 mL 12.642 6 mL 3.606 Add 6 10 12.504 10 1.410 10 mL 12.946 10 mL 0.458 Add 10 drops drops 20 drops 12.578 20 1.265 20 mL 13.148 20 mL 0.427 Add 20 drops Add 30 30 drops 12.654 30 0.909 30 mL 13.226 30 mL 0.317 drops
Based on these calculated concentrations, calculate the expected pH of the buffer solution. Compare this to the measured pHPart IV Sodium acetate trihydrate mass (g) = 6.6072 Part IV Sodium acetate trihydrate mass (g) = 6.6072 Deionized Water Buffer solution Beaker 1 Beaker 2 Beaker 3 Beaker 4 Total pH Total pH Volume of Volume Total Volume pH 1 M of of Total Volume of pH NaOH 1 M HCI 1 M 1 M HCI added added NaOH added added 0 drops 6.937 0 drops 6.775 0 mL 4.664 0 mL 4.666 1 drop 11.268 1 drop 3.483 1 mL 4.755 1 mL 4.579 Add 1 2 drops 11.722 2 drops 2.372 2 mL 4.971 2 mL 4.372 Add 2 6 drops 12.134 6 drops 1.826 6 mL 12.642 6 mL 3.606 Add 6 10 12.504 10 1.410 10 mL 12.946 10 mL 0.458 Add 10 drops drops 20 drops 12.578 20 1.265 20 mL 13.148 20 mL 0.427 Add 20 drops Add 30 30 drops 12.654 30 0.909 30 mL 13.226 30 mL 0.317 drops
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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Transcribed Image Text:Based on these calculated concentrations, calculate the expected pH of the buffer solution. Compare this to the
measured pHPart IV
Sodium acetate trihydrate mass (g) = 6.6072
Part IV
Sodium acetate trihydrate mass (g) = 6.6072
Deionized Water
Buffer solution
Beaker 1
Beaker 2
Beaker 3
Beaker 4
Total
pH
Total
pH
Volume of
Volume
Total
Volume
pH
1 M
of
of
Total
Volume
of
pH
NaOH
1 M HCI
1 M
1 M HCI
added
added
NaOH
added
added
0 drops
6.937
0 drops
6.775
0 mL
4.664
0 mL
4.666
1 drop
11.268
1 drop
3.483
1 mL
4.755
1 mL
4.579
Add 1
2 drops
11.722
2 drops 2.372
2 mL
4.971
2 mL
4.372
Add 2
6 drops
12.134
6 drops
1.826
6 mL
12.642
6 mL
3.606
Add 6
10
12.504
10
1.410
10 mL
12.946
10 mL
0.458
Add 10
drops
drops
20
drops
12.578
20
1.265
20 mL
13.148
20 mL
0.427
Add 20
drops
Add 30
30 drops 12.654
30
0.909
30 mL
13.226
30 mL
0.317
drops
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