From lab manual: the pKa of acetic acid is 4.75 and the volume of the vinegar is 21.05. This is a titration of a vinegar samples using a pH meter. Determine the volume of 0.1 M NaOH dispensed furing the tiration. Caclualate the molarity of the aceic acid vinegar. Calulate the pKa of acetic from the midpoint data unsing the Henderson-Hasselbach equations.Please help me understand how to do these calculations I am so lost. Thank you! VinegarSample 1VinegarSample 2VinegarSample 3Calculations forSample 1Moles of NaOHConsumed atMidpoint Reading[A-] (moles)Moles of AceticAcid Remaining atMidpoint [HA](moles)Calculated pkaAverage pkaPercent eror onpk. VinegarSample 1VinegarSample 2VinegarSample 3Calculations forSample 1Initial Buret Reading(mL)2.893.001.61Midpoint pHReading4.8024.8954.687Midpoint BuretReading (mL)11.7412.929.50Final pH Reading8.2388.5318.934Final Buret Reading(mL)20.1220.3119.00Volume of NaOHDispensed (ml)Calculated Molarityof Acetic Acid inthe Vinegar Sample(M = moles/L)Average MolarityAcetic Acid (M =moles/L)Average MassPercent of AceticAcid Concentration(g)Volume NaOHDispensed atMidpoint Reading(ml)

Since you have asked a question with multiple sub-parts, we will solve first three sub-parts for…

Answered: the pKa of acetic acid is 4.75 and the…

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...

See similar textbooks

Related questions

Concept explainers

Question

From lab manual: the pKa of acetic acid is 4.75 and the volume of the vinegar is 21.05. This is a titration of a vinegar samples using a pH meter. Determine the volume of 0.1 M NaOH dispensed furing the tiration. Caclualate the molarity of the aceic acid vinegar. Calulate the pKa of acetic from the midpoint data unsing the Henderson-Hasselbach equations.

Please help me understand how to do these calculations I am so lost. Thank you!

Vinegar
Sample 1
Vinegar
Sample 2
Vinegar
Sample 3
Calculations for
Sample 1
Moles of NaOH
Consumed at
Midpoint Reading
[A-] (moles)
Moles of Acetic
Acid Remaining at
Midpoint [HA]
(moles)
Calculated pka
Average pka
Percent eror on
pk.

Vinegar
Sample 1
Vinegar
Sample 2
Vinegar
Sample 3
Calculations for
Sample 1
Initial Buret Reading
(mL)
2.89
3.00
1.61
Midpoint pH
Reading
4.802
4.895
4.687
Midpoint Buret
Reading (mL)
11.74
12.92
9.50
Final pH Reading
8.238
8.531
8.934
Final Buret Reading
(mL)
20.12
20.31
19.00
Volume of NaOH
Dispensed (ml)
Calculated Molarity
of Acetic Acid in
the Vinegar Sample
(M = moles/L)
Average Molarity
Acetic Acid (M =
moles/L)
Average Mass
Percent of Acetic
Acid Concentration
(g)
Volume NaOH
Dispensed at
Midpoint Reading
(ml)

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

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