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The pKa of the α-carboxyl group of phenylalanine is 1.83, and the pKa of its α-amino...

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Chemistry

The pKa of the α-carboxyl group of phenylalanine is 1.83, andthe pKa of its α-amino group is is 9.13.

Calculate the average net chargeon phenylalanine if it is in a solution that has a pH of 8.00 (Ifthe charge is positive, you do not need to enter a \" +\"sign.)

Please show your work.

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