Please answer the problem correctly. I rate you helpful promise. A biochemist_needs topreserve anenzymein a 250 mL D:50 M acetate buffer atpH 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. -4.74b. 1.8d. 4.74A bio chemist needs to preserve an enzyme io250 mLKa of acetic acidwould the biochemist prepare the Bufferi0-50 M acet ate buffer at pH 5.S.1.8 X 10-5). tHow=a calculate the amount otacetic acit andtodium atetate nteded-using thot pit-scateequantionb.Determine first the ratio dum-atetate tacette a cid ieeded-by estimation.ċ. Use Henderson -Hasselbalch equation tocalculate the needed ratio ofujugate pasEand weak Acit.t Noñe of the given choicesCSScanned with CamScanner

pKa of acetic acid pKa = -log Ka = - log (1.8 * 10-5) = 5 - log 1.8 = 5 -…

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: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter16: Reactions Between Acids And Bases

Section: Chapter Questions

Problem 16.84QE: Phenolphthalein is a commonly used indicator that is colorless in the acidic form (pH 8.3) and pink...

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

Please answer the problem correctly. I rate you helpful promise.

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
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