Class Average 2022Aspirin*Gentisic Acidlog P = 0.96P = 4.6log P = 0.65P = 10.0The P and log P values for aspirin may not be accurate. Aspirin decomposes slowly in aqueoussolutions. One product is acetic acid which is completely miscible in water. The titration of theaqueous layer (now containing acetic acid) will require more NaOH than anticipated and theresulting P value will be too small. (In other words, gentisic acid may be more soluble in waterthan aspirin.)Benzoic AcidP = 17.4P = 1.8log P = 1.2Propionic AcidSalicylic AcidP= 18.5| log P = 1.2log P = 0.24Hippuric AcidP = 2.2log P = 0.32Butyric AcidP = 4.9log P = 0.67Valeric AcidP = 11.7log P = 1.0 +Table 4: Carboxylic Acids (Part C)Mol. Wt.(g/mol)Propionic acidButyric acidValeric acid# of H-bonddonor sites²# of H-bond Part. Coeff.acceptor sites³1.84.911.7Log P0.240.671.02A H-bond donor site is any H in the molecule that is bonded to a nitrogen or oxygen.3A³A H-bond acceptor site is any atom that has one or more lone pair of electrons.I

Concept: A H-bond donor site is any H in the molecule that is bonded to a nitrogen or oxygen. A…

The P and log P values for aspirin may not be accurate. Aspirin decomposes slowly in aqueous solutions. One product is acetic acid which is completely miscible in water. The titration of the aqueous layer (now containing acetic acid) will require more NaOH than anticipated and the resulting value will o too. cmall (In other orde conticic acid may ho oor coluble in water

The P and log P values for aspirin may not be accurate. Aspirin decomposes slowly in aqueous solutions. One product is acetic acid which is completely miscible in water. The titration of the aqueous layer (now containing acetic acid) will require more NaOH than anticipated and the resulting value will o too. cmall (In other orde conticic acid may ho oor coluble in water

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Class Average 2022
Aspirin*
Gentisic Acid
log P = 0.96
P = 4.6
log P = 0.65
P = 10.0
The P and log P values for aspirin may not be accurate. Aspirin decomposes slowly in aqueous
solutions. One product is acetic acid which is completely miscible in water. The titration of the
aqueous layer (now containing acetic acid) will require more NaOH than anticipated and the
resulting P value will be too small. (In other words, gentisic acid may be more soluble in water
than aspirin.)
Benzoic Acid
P = 17.4
P = 1.8
log P = 1.2
Propionic Acid
Salicylic Acid
P= 18.5| log P = 1.2
log P = 0.24
Hippuric Acid
P = 2.2
log P = 0.32
Butyric Acid
P = 4.9
log P = 0.67
Valeric Acid
P = 11.7
log P = 1.0

+Table 4: Carboxylic Acids (Part C)
Mol. Wt.
(g/mol)
Propionic acid
Butyric acid
Valeric acid
# of H-bond
donor sites²
# of H-bond Part. Coeff.
acceptor sites³
1.8
4.9
11.7
Log P
0.24
0.67
1.0
2A H-bond donor site is any H in the molecule that is bonded to a nitrogen or oxygen.
3A
³A H-bond acceptor site is any atom that has one or more lone pair of electrons.
I

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