An oligopeptide with the sequence A-P-C-K-R was obtained from blood plasma. How many moles of NaOH would be required to titrate one mole of the fully…

An oligopeptide with the sequence A-P-C-K-R was obtained from blood plasma. How many moles of NaOH would be required to titrate one mole of the fully protonated peptide to its fully unprotonated form?