Please help with #10-12. I'm not sure how tocalculate the new theoretical pH whenincreasing buffer pH with NaOH. Thank you1. pH of the buffer needed to prepare:...10. 0(1).... Na z CO,NaH COs2. Reagents selected to make a buffer:(2)....3. Reasons for selecting the reagents:I chose these reagents because our assigned pH is10, and the pKa of Sodium Carbonate is close to 10, along with the matchingacid Sodium Bicarbonate4. Calculated amount of reagents needed to prepare a buffer:reagent 2Total Buffer volume: 100mLreagent 1[Buffer]: 0.05 M0.1689g or ml0.2862g or ml1.593x10°| moles3.407x10| moles5. pH of a buffer measured with pH-meter.10.076. Calculated ionic strength..0.081877. Calculated activity coefficient.Bicarbonate (H"): 0.7896| Carbonate: 0.38878. Calculated theoretical pH of "real" buffer...10.109. Difference between measured and calculated pH of buffer..0.0326110. Reagent used to adjust the pH (mark one)(Born are 1-0oM)NaOHHCIVolume: _0 · O6 mL#moles:11. Calculated theoretical pH of buffer..12. Calculated theoretical pH of "real" buffer..13. Difference between "real" and ideal theoretical pH of buffer.

Answered: Image /qna-images/answer/afac06c0-a0fc-42fa-afc0-bf4df5ece782.jpg

Answered: red and Cdl 10. Reagent used to adjust…

red and Cdl 10. Reagent used to adjust the pH (mark one) (Bon are 1-00M) NaOH HCI Volume: _0 · 0 6 mL #moles: 11. Calculated theoretical pH of buffe. 12. Calculated theoretical pH of "real" buffer..

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter11: Dynamic Electrochemistry

Section: Chapter Questions

Problem 3P

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Concept explainers

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for

Question

Please help with #10-12. I'm not sure how to
calculate the new theoretical pH when
increasing buffer pH with NaOH. Thank you
1. pH of the buffer needed to prepare:...
10. 0
(1).... Na z CO,
NaH COs
2. Reagents selected to make a buffer:
(2)....
3. Reasons for selecting the reagents:I chose these reagents because our assigned pH is
10, and the pKa of Sodium Carbonate is close to 10, along with the matching
acid Sodium Bicarbonate
4. Calculated amount of reagents needed to prepare a buffer:
reagent 2
Total Buffer volume: 100mL
reagent 1
[Buffer]: 0.05 M
0.1689
g or ml
0.2862
g or ml
1.593x10°| moles
3.407x10| moles
5. pH of a buffer measured with pH-meter.
10.07
6. Calculated ionic strength..
0.08187
7. Calculated activity coefficient.
Bicarbonate (H"): 0.7896| Carbonate: 0.3887
8. Calculated theoretical pH of "real" buffer...
10.10
9. Difference between measured and calculated pH of buffer..
0.03261
10. Reagent used to adjust the pH (mark one)
(Born are 1-0oM)
NaOH
HCI
Volume: _0 · O6 mL
#moles:
11. Calculated theoretical pH of buffer..
12. Calculated theoretical pH of "real" buffer..
13. Difference between "real" and ideal theoretical pH of buffer.

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