1.Calcluate the theoretical yield of the coumerin prodcut from the reaction below. 2. Given an actual yield of 4.1 grams of coumarin. Calculate the percent yield of coumerin.
1.Calcluate the theoretical yield of the coumerin prodcut from the reaction below. 2. Given an actual yield of 4.1 grams of coumarin. Calculate the percent yield of coumerin.
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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1.Calcluate the theoretical yield of the coumerin prodcut from the reaction below.
2. Given an actual yield of 4.1 grams of coumarin. Calculate the percent yield of coumerin.
![.CO2Et
.CO2E
(pКa 11)
ОН
НОАС
(pКa 5)
salicylaldehyde
ethyl malonate
EEOH
(pКa 8-9)
(РКa 13)
78°С, 2 h
Reagent table:
revised 03/09/2010ssh
reagent (source)
Mwt
mp °C bp OС
(Fp)
mmol (%)
mass
density
volume
salicylaldehyde
(Acros)
122.1
1-2
197
(76)
32.9 (99%) 4.02 g
1.16g/mL
3.5 mL
diethyl malonate
(Aldrich)
160.2
199
35.9 (99%) 5.75 g
1.06g/mL
5.5 mL
ethanol (100%)
(Pharmaco)
46.1
-117
78
0.79 g/mL 25 mL
piperidine
(Aldrich)
4.0 (99%)
0.34 g
85.2
-13
106
0.86 g/mL 0.40 mL
acetic acid
60.1
16
118
0.9
0.05 g
1.05 g/mL 0.05 mL
(Pharmaco)
glacial acetic acid
(99.7%)
7.18 g
ethyl 3-coumarin-
carboxylate
218.2
92-94
32.9](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F33367630-baef-4794-a3c7-3f7d1dfa9a18%2Fc47de129-164c-4f08-b7d1-6ee38b8ee3d0%2Fv5whuyl_processed.png&w=3840&q=75)
Transcribed Image Text:.CO2Et
.CO2E
(pКa 11)
ОН
НОАС
(pКa 5)
salicylaldehyde
ethyl malonate
EEOH
(pКa 8-9)
(РКa 13)
78°С, 2 h
Reagent table:
revised 03/09/2010ssh
reagent (source)
Mwt
mp °C bp OС
(Fp)
mmol (%)
mass
density
volume
salicylaldehyde
(Acros)
122.1
1-2
197
(76)
32.9 (99%) 4.02 g
1.16g/mL
3.5 mL
diethyl malonate
(Aldrich)
160.2
199
35.9 (99%) 5.75 g
1.06g/mL
5.5 mL
ethanol (100%)
(Pharmaco)
46.1
-117
78
0.79 g/mL 25 mL
piperidine
(Aldrich)
4.0 (99%)
0.34 g
85.2
-13
106
0.86 g/mL 0.40 mL
acetic acid
60.1
16
118
0.9
0.05 g
1.05 g/mL 0.05 mL
(Pharmaco)
glacial acetic acid
(99.7%)
7.18 g
ethyl 3-coumarin-
carboxylate
218.2
92-94
32.9
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