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Dozens of pharmaceuticals ranging from Cyclizine for motion sickness to Viagra for impotence are derived from...

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Chemistry

Dozens of pharmaceuticals ranging from Cyclizine for motionsickness to Viagra for impotence are derived from the organiccompound piperazine. Solutions of piperazine are basic (Kb1 = 5.38x 10^-5, Kb2 = 2.15 x 10^-9). What is the pH of a 0.0130 M solutionof piperazine? Please explain!

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4.0 Ratings (823 Votes)
Piperazine is a base with 2 N atoms each can accept a proton If we call piperazine B then the first proton accepted results in BH and the 2nd proton accepted BH2 2 The Ka values that they gave you are Ka1 for BH2 2 BH H and Ka2 for BH B H But we need Kb values    See Answer
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