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Homework Statement How many moles of base would be needed to titrate one mole of this fully protonated peptide to a pH of 4.00? This polypeptide is V-A-Y-K-H. Homework Equations Henderson-Hasselbalch: pH= pKa + log[A]/[HA] pKa of alpha COOH = 2.4 The alpha COOH (at the...