please answer and table is shown

An ionization step for the amino acid serine is shown below. Using information found in Table 4.1 of your textbook, calculate the H at which the ratio of A. B is 1:2. Exeress 82 TABLE 4-1 Covalent Structures and Abbreviations of the "Standard" Amino Acids of Proteins, Their Occurrence, and the K Values of Their lonizable Groups Amino acids with nompolar side chains Glycine Gily G 57.07.1 Alanine Ala A Valine Val v Leucine Leu L. Isoleucine lle I Methionine Met M Proline Pro Phenylalanine Phe F 147.23.92031 Tryptophan Tip W An ionization step for the amino acid serine is shown below. Using information found in Table 4.1 of your textbook, calculate the H at which the ratio of A. B is 1:2. Exeress 82 TABLE 4-1 Covalent Structures and Abbreviations of the "Standard" Amino Acids of Proteins, Their Occurrence, and the K Values of Their lonizable Groups Amino acids with nompolar side chains Glycine Gily G 57.07.1 Alanine Ala A Valine Val v Leucine Leu L. Isoleucine lle I Methionine Met M Proline Pro Phenylalanine Phe F 147.23.92031 Tryptophan Tip W