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
What is the theoretical yield of aspirin and the percent yield
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pirin Std Curve.pdf
Lab 6 Aspirin Std Curve Report Form.pdf (page 1 of 2)
Q Search
"Beer's Law Data" for Salicylic Acid Standard Solutions
Trial
Concentration (mol/L)
Absorbance
5.79 x 10-4
.631
1.
4.63 x 10 ^-4
.403
3.48 x 10A-4
.277
3.
2.32 x 10^-4
.072
4.
Test of the Purity of the Synthesized Aspirin
(Show work for all necessary calculations in your notebook)
Inital mass of aspirin sample (g)
414g
Absorbance of aspirin sample
.148
Concentration of salicylic acid (mol/L)
1.45 x 10^-7
Moles of salicylic acid in aspirin sample
3.62 x 10^-6
(jom)
Mass of salicylic acid in aspirin sample (g)
5.00 x 10^-4g
Mass of aspirin in sample (g)
.4135g
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spirin Std Curve.pdf
a Lab 6 Aspirin Std Curve Report Form.pdf (page 1 of 2)
Q Se
Salicylic Acid Standard Stock Solution
(Show work for all necessary calculations in your notebook)
2.901
Initial Mass of Salicylic Acid (g)
1.45 x10^-7
Moles of Salicylic Acid (mol)
5.79 x 10^-3
Inital Molarity of Salicylic Acid (mol/L)
"Beer's Law Data" for Salicylic Acid Standard Solutions
Trial
Concentration (mol/L)
Absorbance
5.79 x 10-4
.631
1.
4.63 x 10 ^-4
403
3.48 x 10A-4
.277
2.32 x 10A-4
.072
4.
Test of the Purity of the Synthesized Aspirin
(Show work for all necessary calculations in your notebook)
Inital mass of aspirin sample (g)
414g
Absorbance of aspirin sample
.148
312
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