could you please explain theses datas and graph for the synthesis and spectrophotemetric analysis of aspirin and also I got 84.3% for my percent aspirin and 8.43% for my percent yield could you include that in the expiation too
could you please explain theses datas and graph for the synthesis and spectrophotemetric analysis of aspirin and also I got 84.3% for my percent aspirin and 8.43% for my percent yield could you include that in the expiation too
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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could you please explain theses datas and graph for the synthesis and spectrophotemetric analysis of aspirin and also I got 84.3% for my percent aspirin and 8.43% for my percent yield could you include that in the expiation too
thank you!!
Transcribed Image Text:Data
Absorbance
Trial
1
Concentration
5.79 x 10^-4
0.631
0.403
2.
4.63 x 10^-4
0.277
0.72
3.48 x 10^-4
4
2.32 x 10 -4
Table 1.
Beer's Law Data for Salicylic Acid Standard Solutions
Initial mass salicylic acid (g)
.414
Moles of salicylic acid (mol)
1.45 x 10^-3
Initial molarity of salicylic acid (mol/L)
5.79 x 10 ^-3
Table 2. Salicylic Acid 'standard Stock Solution
Initial
of aspirin sample (g)
0.414g
Absorbance of aspirin sample
0.148
Concentration of salicylic acid (mol/L)
1.45 x 10 ^-7 mol/L
Moles of salicylic acid in aspirin sample
(mol)
4.697*10^-4 moles
Mass of salicylic acid in aspirin sample (g)
6.48*10^-2
Mass of aspirin in sample (g)
0.3492g
Percent aspiring in sample (%)
84.3%
Table 3. Test of the Purity of the Synthesized Aspirin
Calculations
Page 2 of 4
776 words
CFocus
End Arrow type
End Arrow size
Rounded corners
100%
DD
F8
F9
F10
F11
F12
Transcribed Image Text:nem IST
Tertent yiela 0.5492744.14 100=0,43%
Graph
Absorbance v. Concentration
0.7
0.6
0.5
0.4
0.3
y=-0.1803x + 0.7965
R=0.9892
0.2
0.1
1
3
Concentration (mol/L)
Figure 1. Beer's Law Calibration Curve for Salicylic Acid Standard Solutions
Results
Absorbance
Expert Solution
Step 1
Interpretation:
To explain the data of the graph and and spectrophotometric analysis of aspirin.
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