Threonine Threonine is an amino acid (H₂B* when fully protonated) with pK₂1 = 2.088 and pK₂2= 9.100. What is the principal (predominate) species of threonine in solution at pH 4.50? H₂B+ HB B There is not enough information to answer the question. Calculate the fraction (%) of threonine that is fully deprotonated at pH 7.318. Type your answer... الم You dissolve 1.69 moles of the threonine sodium salt (NaB) in a 1-L volumetric flask. What is the pH of this solution? -D00 Type your answer...

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Chapter1: Chemical Foundations
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Threonine
Threonine is an amino acid (H₂B* when fully protonated) with pKa1 =
2.088 and pKa2 = 9.100.
D
What is the principal (predominate) species of threonine in solution
at pH 4.50?
OH₂B+
OHB
B
There is not enough information to answer the question.
-
Calculate the fraction (%) of threonine that is fully deprotonated at
pH 7.318.
Type your answer...
DO
You dissolve 1.69 moles of the threonine sodium salt (NaB) in a 1-L
volumetric flask. What is the pH of this solution?
Type your answer...
Transcribed Image Text:Threonine Threonine is an amino acid (H₂B* when fully protonated) with pKa1 = 2.088 and pKa2 = 9.100. D What is the principal (predominate) species of threonine in solution at pH 4.50? OH₂B+ OHB B There is not enough information to answer the question. - Calculate the fraction (%) of threonine that is fully deprotonated at pH 7.318. Type your answer... DO You dissolve 1.69 moles of the threonine sodium salt (NaB) in a 1-L volumetric flask. What is the pH of this solution? Type your answer...
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