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OH CH₂OH OH CH₂OH OH + H+ OH OH OH NH2 NH pKa = 9.0 A scientist claims that at pH=7.0, a solution of this compound would contain about 90% of the species in the charged form (-NH3+) and about 10% of the species in the uncharged form (-NH2). Is this scientist correct? If not, provide the correct percent- ages for these two species in the solution.

OH CH₂OH OH CH₂OH OH + H+ OH OH OH NH2 NH pKa = 9.0 A scientist claims that at pH=7.0, a solution of this compound would contain about 90% of the species in the charged form (-NH3+) and about 10% of the species in the uncharged form (-NH2). Is this scientist correct? If not, provide the correct percent- ages for these two species in the solution.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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OH CH₂OH OH CH₂OH OH + H+ OH OH OH NH2 NH pKa = 9.0 A scientist claims that at pH=7.0, a solution of this compound would contain about 90% of the species in the charged form (-NH3+) and about 10% of the species in the uncharged form (-NH2). Is this scientist correct? If not, provide the correct percent- ages for these two species in the solution.
Transcribed Image Text:OH CH₂OH OH CH₂OH OH + H+ OH OH OH NH2 NH pKa = 9.0 A scientist claims that at pH=7.0, a solution of this compound would contain about 90% of the species in the charged form (-NH3+) and about 10% of the species in the uncharged form (-NH2). Is this scientist correct? If not, provide the correct percent- ages for these two species in the solution.
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