First one is my data and second is what i need help with, please include calculations. a. name of compound: Tartrazine b. Color of compound: yellow c. Amax of compound( in nm): 427 d. Concentration of stock solution: 200×10E-6 c. preparing standard solutions Vol. of Stock Soln. (mL) Vol. of dilute Soln.(mL) Solution 1 0.2 9.8 Solution 2 0.5 9.5 Solution 3 1.0 9.0 Solution 4 1.5 8.5 Solution 5 2.0 8.0 f. Spectroscopic data Absorbance Solution 1 0.109 Solution 2 0.245 Solution 3 0.464 Solution 4 0.701 Solution 5 0.924 g. absorbance of original unknown solutions: Unk. 1 0.344 Unk. 2 0.340 a. Concentration of cach solution( use M,V1=M2V2) Soln. 1 Soln. 2 Soln 3 Soln. 4 Soln. 5 Concentration of standards (M or mM) Show calculations for determining the standard solutions concentration.

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.26QAP
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First one is my data and second is what i need
help with, please include calculations.
a. name of compound: Tartrazine
b. Color of compound: yellow
c. Amax of compound( in nm): 427
d. Concentration of stock solution: 200×10E-6
c. preparing standard solutions
Vol. of Stock Soln. (mL)
Vol. of dilute Soln.(mL)
Solution 1
0.2
9.8
Solution 2
0.5
9.5
Solution 3
1.0
9.0
Solution 4
1.5
8.5
Solution 5
2.0
8.0
f. Spectroscopic data
Absorbance
Solution 1
0.109
Solution 2
0.245
Solution 3
0.464
Solution 4
0.701
Solution 5
0.924
g. absorbance of original unknown solutions: Unk. 1 0.344
Unk. 2 0.340
a. Concentration of cach solution( use M,V=M2V2)
Soln. 1
Soln. 2
Soln.3
Soln. 4
Soln. 5
Concentration of standards (M or mM)
Show calculations for determining the standard solutions concentration.
Transcribed Image Text:First one is my data and second is what i need help with, please include calculations. a. name of compound: Tartrazine b. Color of compound: yellow c. Amax of compound( in nm): 427 d. Concentration of stock solution: 200×10E-6 c. preparing standard solutions Vol. of Stock Soln. (mL) Vol. of dilute Soln.(mL) Solution 1 0.2 9.8 Solution 2 0.5 9.5 Solution 3 1.0 9.0 Solution 4 1.5 8.5 Solution 5 2.0 8.0 f. Spectroscopic data Absorbance Solution 1 0.109 Solution 2 0.245 Solution 3 0.464 Solution 4 0.701 Solution 5 0.924 g. absorbance of original unknown solutions: Unk. 1 0.344 Unk. 2 0.340 a. Concentration of cach solution( use M,V=M2V2) Soln. 1 Soln. 2 Soln.3 Soln. 4 Soln. 5 Concentration of standards (M or mM) Show calculations for determining the standard solutions concentration.
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