pH Measurements Target pH of buffer solution to be prepared Stib K,=ユ.0040-9 o-01×ZLE01メ Lh'E Average value of K (average of the three K values above) 3. [HA] in buffer =7.00x109 %3D [-V] Hint: use Equation (15) H+7 = Ka x LHAJ or pH-pka +109 f Volume 0.10 M HA Volume 0.10 M NaA needed in buffer Volume 0.10 M HA used Volume 0.10 M NaA used Total ml: 9.50 Measured pH of prepared buffer Show your calculations below. N EGO

pH Measurements Target pH of buffer solution to be prepared Stib K,=ユ.0040-9 o-01×ZLE01メ Lh'E Average value of K (average of the three K values above) 3. [HA] in buffer =7.00x109 %3D [-V] Hint: use Equation (15) H+7 = Ka x LHAJ or pH-pka +109 f Volume 0.10 M HA Volume 0.10 M NaA needed in buffer Volume 0.10 M HA used Volume 0.10 M NaA used Total ml: 9.50 Measured pH of prepared buffer Show your calculations below. N EGO

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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Question

pH Measurements
Target pH of buffer solution to be prepared
Stib
K,=ユ.0040-9
o-01×ZLE01メ Lh'E
Average value of K
(average
of the three K values above)
3.
[HA]
in buffer
=7.00x109
%3D
[-V]
Hint: use Equation (15) H+7 = Ka x LHAJ
or pH-pka +109 f
Volume 0.10 M HA
Volume 0.10 M NaA
needed in buffer
Volume 0.10 M HA used
Volume 0.10 M NaA used
Total ml:
9.50
Measured pH of prepared buffer
Show your calculations below. N
EGO

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