Prepare standard solutions for the spectrophotometric measurement of iron in anunknown solution. The first standard solution includes 250 mg/L of pure iron within100 mL solution. Make a serial dilution by pipetting 60 mL of the first standard andthe last standard solution will contain 19,44 mg/L of pure iron.www www ww wmwwwwwww wwwm wwwa. Complete number of standards and indicate concentration of each standard solution.wwwwwwww wwwww vww vwwwwwwww vw ww m w m wwSTD-XSTD-1(19,44 mg L)(250 mg L)b. If the standard curve equation is given as y=2548X-654, calculate the ironconcentration of a solution that has a 0,898 absorbance value at 525 nm wavelength.wwwwww wwww

Serial dilution refers to stepwise dilution by keeping the dilution factor constant. Dilution factor…

Prepare standard solutions for the spectrophotometric measurement of iron in an unknown solution. The first standard solution includes 250 mg/L of pure iron within 100 mL solution. Make a serial dilution by pipetting 60 mL of the first standard and the last standard solution will contain 19,44 mg/L of pure iron. wwm www wm ww m m wwww.v wwww wwww a. Complete number of standards and indicate concentration of each standard solution wwww ww wwwwww wwm w STD-X STD-1 (250 mg L) (19,44 mgL) b. If the standard curve equation is given as y=2548X-654, calculate the iron concentration of a solution that has a 0,898 absorbance value at 525 nm wavelength. wwww v

Prepare standard solutions for the spectrophotometric measurement of iron in an unknown solution. The first standard solution includes 250 mg/L of pure iron within 100 mL solution. Make a serial dilution by pipetting 60 mL of the first standard and the last standard solution will contain 19,44 mg/L of pure iron. wwm www wm ww m m wwww.v wwww wwww a. Complete number of standards and indicate concentration of each standard solution wwww ww wwwwww wwm w STD-X STD-1 (250 mg L) (19,44 mgL) b. If the standard curve equation is given as y=2548X-654, calculate the iron concentration of a solution that has a 0,898 absorbance value at 525 nm wavelength. wwww v

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

Prepare standard solutions for the spectrophotometric measurement of iron in an
unknown solution. The first standard solution includes 250 mg/L of pure iron within
100 mL solution. Make a serial dilution by pipetting 60 mL of the first standard and
the last standard solution will contain 19,44 mg/L of pure iron.
www w
ww ww wm
www
wwww wwwm www
a. Complete number of standards and indicate concentration of each standard solution.
www
wwwww wwwww vww vwwwwwwww vw w
w m w m ww
STD-X
STD-1
(19,44 mg L)
(250 mg L)
b. If the standard curve equation is given as y=2548X-654, calculate the iron
concentration of a solution that has a 0,898 absorbance value at 525 nm wavelength.
www
www w
www

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