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A compound has a pKa of 7.4. You have made up 100 mL of a 1.0 M solution of this compound at pH 8.0. What is the ratio of unprotonated to protonated forms of the molecule? 80% ○ 66.7% 100% ○ 50% ○ 20%

A compound has a pKa of 7.4. You have made up 100 mL of a 1.0 M solution of this compound at pH 8.0. What is the ratio of unprotonated to protonated forms of the molecule? 80% ○ 66.7% 100% ○ 50% ○ 20%

Anatomy & Physiology
Anatomy & Physiology
1st Edition
ISBN:9781938168130
Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Chapter2: The Chemical Level Of Organization
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Problem 41CTQ: The pH of lemon juice is 2, and the pH of orange juice is 4. Which of these is more acidic, and by...
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A compound has a pKa of 7.4. You have made up 100 mL of a 1.0 M solution of this compound at pH 8.0. What is the ratio of unprotonated to protonated forms of the molecule? 80% ○ 66.7% 100% ○ 50% ○ 20%
Transcribed Image Text:A compound has a pKa of 7.4. You have made up 100 mL of a 1.0 M solution of this compound at pH 8.0. What is the ratio of unprotonated to protonated forms of the molecule? 80% ○ 66.7% 100% ○ 50% ○ 20%
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