Sketch a pH titration curve for Tyr. Show the species present at each equivalence point and indicate the pKa positions corresponding to pKa1 = 2.2; pKa2 = 9.2; pKar = 10.2. If the following amounts of KOH are added to 0.2 moles of tyrosine, what are the resultant pH values of the solution? a. 0.5 moles b. 0.2 moles c. 0.1 moles d. 0.3 moles

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1. Sketch a pH titration curve for Tyr. Show the species present at each equivalence
point and indicate the pKa positions corresponding to pKa1 = 2.2; pKa2 = 9.2; pKar =
10.2.
If the following amounts of KOH are added to 0.2 moles of tyrosine, what are the
resultant pH values of the solution?
a. 0.5 moles
b. 0.2 moles
c. 0.1 moles
d. 0.3 moles
Transcribed Image Text:1. Sketch a pH titration curve for Tyr. Show the species present at each equivalence point and indicate the pKa positions corresponding to pKa1 = 2.2; pKa2 = 9.2; pKar = 10.2. If the following amounts of KOH are added to 0.2 moles of tyrosine, what are the resultant pH values of the solution? a. 0.5 moles b. 0.2 moles c. 0.1 moles d. 0.3 moles
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