d) Calculate the isoionic and isoelectric pH for 0.020 0 M serine.

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Chapter14: Acid-base Equilibria
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This question has part a, part b, part c, and part d. It gives information about Appendix G for the amino acid serine.

1. The table gives information from Appendix G for the amino acid serine (Ser).
pk₂
Name
Serine
Structure
NH3+
CHCH₂OH
|
CO₂H
2.187 (CO,H)
9.209 (NH3)
109
Ka
6.50 x 10-³.
6.18 × 10-10
a) What is the pH, along with the concentration of each form of serine, in a 0.020 0 M solution of serine
hydrochloride?
b) What is the pH, along with the concentration of each form of serine, in a 0.020 0 M solution of the
sodium salt of serine?
Transcribed Image Text:1. The table gives information from Appendix G for the amino acid serine (Ser). pk₂ Name Serine Structure NH3+ CHCH₂OH | CO₂H 2.187 (CO,H) 9.209 (NH3) 109 Ka 6.50 x 10-³. 6.18 × 10-10 a) What is the pH, along with the concentration of each form of serine, in a 0.020 0 M solution of serine hydrochloride? b) What is the pH, along with the concentration of each form of serine, in a 0.020 0 M solution of the sodium salt of serine?
c) What is the pH, along with the concentration of each form of serine, in a 0.020 0 M solution of serine?
d) Calculate the isoionic and isoelectric pH for 0.020 0 M serine.
Transcribed Image Text:c) What is the pH, along with the concentration of each form of serine, in a 0.020 0 M solution of serine? d) Calculate the isoionic and isoelectric pH for 0.020 0 M serine.
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