Compute the average net charge on phenylalanine

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The pKa of the ?-carboxyl group of phenylalanine is 1.83, and the pKa of its ?-amino group is is 9.13. Calculate the average net charge on phenylalanine if it is in a solution that has a pH of 8.40 (If the charge is positive, you do not need to enter a \+ \" sign.)

Reference no: EM13184550

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