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August 29, 2014

Homework Help: science

Posted by nick on Sunday, October 6, 2013 at 10:52pm.

What fraction of piperazine (perhydro-1,4-diazine) is in each of its three forms (H2A, HA–, A2–) at pH 8.67? The acid dissociation constant values for piperazine are Ka1 = 4.65×10–6 and Ka2 = 1.86×10–10.

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