Question: 3. Refer to the following table and titration curve to answer the questions below. 13 Compound pK2 pKR Lactate 3.86 pk2 = 9.60 in

3. Refer to the following table and titration curve to answer the

3. Refer to the following table and titration curve to answer the questions below. 13 Compound pK2 pKR Lactate 3.86 pk2 = 9.60 in Acetate 4.76 Glycine 2.34 9.60 Glutamate 2.19 9.67 4.25 Arginine 2.17 9.04 12.48 pH pl 5.97 %3D (a) Which compound from the table is illustrated by the titration curve? pk = 2.34 (b) Which compound from the table has a net charge of zero nearest to physiological pH? 0.5 1.5 OH (equivalents)

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