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Topic: Plot fraction of unprotonated amino acid  (Read 2960 times)

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Offline kkid1412

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Plot fraction of unprotonated amino acid
« on: August 27, 2011, 08:09:17 PM »
An amino acid has a COOH group with a pK of 2.5 and an amino terminal group with a pK of 9.0. Sketch the pH profiles of the three significant protonation states (roughly plot fraction of unprotonated, singly and doubly protonated states vs pH)
I have tried graphing the Base concentration vs pH but the graph doesn't seem to make any sense. Would you please enlighten me. Thank you so much

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