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One compound contains an amino group with a pka of 88 and

One compound contains an amino group with a pKa of 8.8, and one other ionizablegroup with a pKa of 5to 7.To 100 mL of a 0.2 M solution ofthis compound at pH 8.2 was added 40 mL of a solution of 0.2M HCl. ThepH changed to 6.2. The pKa of the second ionizablegroup is:

A. The pH can not be obtained based on the available information

B. 5.4

C. 5.6

D. 6.0

E. 6.2

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Chemistry: One compound contains an amino group with a pka of 88 and

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Chemistry: One compound contains an amino group with a pka of 88 and

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