Continuation from the 1st 3-questions i sentd. Estimate the Ka of kobeicin using the data from the second derivative plot. e. A separate experiment showed that the molar mass of kobeicin is 170.25 g/mol. Calculate the percent purity of the kobeicin in the crude sample using the data from the second derivative plot. A 0.2005-g crude sample of a monoprotic acid, kobeicin, was dissolved in 200.0 mL ofwater. Then, the resulting solution was titrated using 0.0490 M NaOH via potentiometrictitration. A portion of the data is shown below.4. Titration data of kobeicinV, mL pHV, mL pH10.13.1621.15.0910.23.1721.25.2810.33.1821.35.6410.43.1921.48.9110.53.1921.59.6810.63.2021.69.9510.73.2121.710.1110.83.2221.810.2310.93.2321.910.3211.03.2422.010.40

Answered: d. Estimate the Ka of kobeicin using…

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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Continuation from the 1st 3-questions i sent

d. Estimate the Ka of kobeicin using the data from the
second derivative plot.
e. A separate experiment showed that the molar mass of
kobeicin is 170.25 g/mol. Calculate the percent purity
of the kobeicin in the crude sample using the data from
the second derivative plot.

A 0.2005-g crude sample of a monoprotic acid, kobeicin, was dissolved in 200.0 mL of
water. Then, the resulting solution was titrated using 0.0490 M NaOH via potentiometric
titration. A portion of the data is shown below.
4. Titration data of kobeicin
V, mL pH
V, mL pH
10.1
3.16
21.1
5.09
10.2
3.17
21.2
5.28
10.3
3.18
21.3
5.64
10.4
3.19
21.4
8.91
10.5
3.19
21.5
9.68
10.6
3.20
21.6
9.95
10.7
3.21
21.7
10.11
10.8
3.22
21.8
10.23
10.9
3.23
21.9
10.32
11.0
3.24
22.0
10.40

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