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#1
03-24-2010, 01:50 PM
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 variation of pk values in COO- and NH3+ Hi, I have a mid term exam tomorrow, and I can't answer a question from a previous exam... Here is the question with formulas : img12.imageshack.us/img12/198/img000025k.jpg Text : The four compounds A, B, C and D all have carboxyl group and three of them have an amino group. You measure the pK values for these 7 group and obtain* the values : 2, 3, 4, 5, 8, 9 and 10. Which values correspond to which group in A, B, C and D ? I have looking for an explanation everywhere, you are my last chance. Thanks a lot for your answers...  |
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| coo , nh3 , values , variation |
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