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A biochemist needs to preserve anenzy.me 250 mL 0.50 M acetate buffer at in pH 5.5. (Ka of acetic acid ? 1.8 X 10 -5). How _would the biochemist_pre paré the puffer?- What is the pKa. of the acetic acid ?

A biochemist needs to preserve anenzy.me 250 mL 0.50 M acetate buffer at in pH 5.5. (Ka of acetic acid ? 1.8 X 10 -5). How _would the biochemist_pre paré the puffer?- What is the pKa. of the acetic acid ?

Chemistry
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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A biochemist_needs topreserve anenzyme in a 250 mL D:50 M acetate buffer at pH 5.5. (Ka of acetic accid =1.8 X 10 -5). How would the biochemist pre pare the puffer? What is the pxa. of the achtic acid ? a. -4.74 b. 1.8 d. 4.74 A bio chemist needs to preserve an enzyme io 250 mL Ka of acetic acid would the biochemist prepare the Bufferi 0-50 M acet ate buffer at pH 5.S. 1.8 X 10-5). tHow = a calculate the amount otacetic acit and todium atetate nteded-using thot pit-scate equantion b.Determine first the ratio dum-atetate t acette a cid ieeded-by estimation. ċ. Use Henderson -Hasselbalch equation to calculate the needed ratio ofujugate pasE and weak Acit. t Noñe of the given choices CS Scanned with CamScanner
Transcribed Image Text:A biochemist_needs topreserve anenzyme in a 250 mL D:50 M acetate buffer at pH 5.5. (Ka of acetic accid =1.8 X 10 -5). How would the biochemist pre pare the puffer? What is the pxa. of the achtic acid ? a. -4.74 b. 1.8 d. 4.74 A bio chemist needs to preserve an enzyme io 250 mL Ka of acetic acid would the biochemist prepare the Bufferi 0-50 M acet ate buffer at pH 5.S. 1.8 X 10-5). tHow = a calculate the amount otacetic acit and todium atetate nteded-using thot pit-scate equantion b.Determine first the ratio dum-atetate t acette a cid ieeded-by estimation. ċ. Use Henderson -Hasselbalch equation to calculate the needed ratio ofujugate pasE and weak Acit. t Noñe of the given choices CS Scanned with CamScanner
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