The pkas of the groups are 20 44 and 89 respectively a, Chemistry

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The pkas of the groups are 20 44 and 89 respectively a

A compound has two carboxyl groups and one amino group. The pKas of the groups are 2.0, 4.4, and 8.9, respectively. A biochemist has 100 mL of a 0.1 M solution of this compound at a pH of 9. She adds 70 mL of 0.1 M HCl. What will be the pH of the solution after addition of the HCl?

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Chemistry: The pkas of the groups are 20 44 and 89 respectively a

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