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Both part d and e, I am confused on

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{d} Use your standard curve to determine the concentration of an aqueous solution of Yellow Dye #5 that gives an absorbance of 0.355 measured at a wavelength of 429 nm. [e] Determine the concentration of Yellow Dre #5 that would be needed for an aqueous solution of the dye to have an absorbance of 0.823 at a wavelength of 429 nm.

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25a.jpg

1,4
1,2
1,0
Absorbance
y = 0,0235x
volume stock
diluted
Concentration
0,8
R2 = 0,9983
solution (ml)
volume (ml)
(UM)
Absorbance
50
50
54.50
1.266
40
50
43.60
1.015
0,6
35
50
38.15
0.892
30
50...

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