Chemistry · Amino Acids & the Peptide Bond · Water, pH & the Chemical Foundations of Life
Problem
The structure of a peptide is given below. If the absolute values of the net charge of the peptide at pH = 2, pH = 6, and pH = 11 are |z₁|, |z₂|, and |z₃|, respectively, then what is |z₁| + |z₂| + |z₃|?