I need all of the blanks in the table and the questions below it. It would also be helpful if it was shown how to do each problem since I need to show my work. In my lab manual it says that the pKa of acedic acid is 4.75, and the volume of vinegar is 21.05 mL. Please help me :) Name of Sample Vinegar Vinegar Sample 1 Vinegar Sample 2 Vinegar Sample 3 Initial pH Reading pH = 3.211 pH = 3.102 pH = 3.105 Initial Buret Reading 2.89 mL 3.00 mL 1.61 mL Midpoint pH Reading NOT NEEDED pH = 4.895 pH = 4.687 Midpoint Buret Reading NOT NEEDED 12.92 mL 9.50 mL Final pH Reading pH = 8.238 pH = 8.531 pH = 8.934 Final Buret Reading 20.12 mL 20.31 mL 19.00 mL Volume of NaOH Dispensed       Calculated Molarity of Acetic Acid in the Vinegar Sample       Volume NaOH Dispensed at Midpoint Reading  NOT NEEDED     Moles of NaOH Consumed at Midpoint Reading [A–]  NOT NEEDED     Moles of Acetic Acid Remaining at Midpoint [HA]  NOT NEEDED     Calculated pKa NOT NEEDED     Average calculated molarity of acetic acid:   Average acetic acid concentration expressed in percent by mass:   Average value of pKa of acetic acid based on provided experimental data:   Percent error for pKa of acetic acid:

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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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I need all of the blanks in the table and the questions below it. It would also be helpful if it was shown how to do each problem since I need to show my work. In my lab manual it says that the pKa of acedic acid is 4.75, and the volume of vinegar is 21.05 mL. Please help me :)

Name of Sample Vinegar

Vinegar Sample 1

Vinegar Sample 2

Vinegar Sample 3

Initial pH Reading

pH = 3.211

pH = 3.102

pH = 3.105

Initial Buret Reading

2.89 mL

3.00 mL

1.61 mL

Midpoint pH Reading

NOT NEEDED

pH = 4.895

pH = 4.687

Midpoint Buret Reading

NOT NEEDED

12.92 mL

9.50 mL

Final pH Reading

pH = 8.238

pH = 8.531

pH = 8.934

Final Buret Reading

20.12 mL

20.31 mL

19.00 mL

Volume of NaOH Dispensed

 

 

 

Calculated Molarity of Acetic Acid in the Vinegar Sample

 

 

 

Volume NaOH Dispensed at Midpoint Reading

 NOT NEEDED

 

 

Moles of NaOH Consumed at Midpoint Reading

[A–]

 NOT NEEDED

 

 

Moles of Acetic Acid Remaining at Midpoint [HA]

 NOT NEEDED

 

 

Calculated pKa

NOT NEEDED

 

 

Average calculated molarity of acetic acid:

 

Average acetic acid concentration expressed in percent by mass:

 

Average value of pKa of acetic acid based on provided experimental data:

 

Percent error for pKa of acetic acid:

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