solution of this acid is found to have a pH of 2.607. Based on the table below, what most likely is the identity of this inknown acid? Possible Identity of the Unknown Acid ascorbic acid Ка 7.9x105 7.4×10 8.4x104 1.4x105 citric acid lactic acid nicotinic acid

Introductory Chemistry: An Active Learning Approach
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Author:Mark S. Cracolice, Ed Peters
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Chapter17: Acid-base(proton Transfer) Reactions
Section: Chapter Questions
Problem 43E
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A certain acidic vitamin is essential for all mammals since it plays a role in DNA repair and cell signaling. A 0.439 M
solution of this acid is found to have a pH of 2.607. Based on the table below, what most likely is the identity of this
unknown acid?
Possible Identity of the Unknown Acid
ascorbic acid
Ка
7.9x105
7.4x104
8.4×104
1.4x105
citric acid
lactic acid
nicotinic acid
Transcribed Image Text:A certain acidic vitamin is essential for all mammals since it plays a role in DNA repair and cell signaling. A 0.439 M solution of this acid is found to have a pH of 2.607. Based on the table below, what most likely is the identity of this unknown acid? Possible Identity of the Unknown Acid ascorbic acid Ка 7.9x105 7.4x104 8.4×104 1.4x105 citric acid lactic acid nicotinic acid
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