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(Solved): 4 (b) 100 mL of a 0.1M solution of tetrapeptide Asp-Arg-Asn-Ala is adjusted to its isoelec ...



4 (b) 100 mL of a 0.1M solution of tetrapeptide Asp-Arg-Asn-Ala is adjusted to its isoelectric point (pI). The solution is then titrated with 280 mL 0.05 M NaOH. Calculate the final pH. (Relevant pKa values are: 2.1, 3.9, 9.5 and 12.5.)



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