Over what pH range(s) could valine be used as an effective buffer? Explain your answer, supporting it with what we have discussed about buffers and amino acids
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Sri K.
In what pH range can glycine be used as an effective buffer due to its amino group? In a solution of glycine at pH 9.0, what fraction of glycine has its amino group in the charged state? When 95% of the glycine is in the charged form, what is the numerical relationship between the pH of the solution and the pKa of the amino group?
REFLECT AND APPLY Could the amino acid glycine serve as the basis of a buffer system? If so, in what pH range would it be useful?
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