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4-b-100-ml-of-a-0-1m-solution-of-tetrapeptide-asp-arg-asn-ala-is-adjusted-to-its-isoelec-pa987
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(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.)