A solution is prepared by diluting 2.79 mL of the blue dye stock solution to 25.00 mL. The measured absorbance for the prepared solution is:   Blue dye stock solution = 0.293 M Absorbance at 630 nm = 0.00265 Calibration curve  y = 0.0833x   A.) What is the theoretical molar concentration? B.) What is the experimental molar concentration? C.) What is the percent error?

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter24: Introduction To Spectrochemical Methods
Section: Chapter Questions
Problem 24.16QAP
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A solution is prepared by diluting 2.79 mL of the blue dye stock solution to 25.00 mL. The measured absorbance for the prepared solution is:

 

Blue dye stock solution = 0.293 M

Absorbance at 630 nm = 0.00265

Calibration curve  y = 0.0833x

 

A.) What is the theoretical molar concentration?

B.) What is the experimental molar concentration?

C.) What is the percent error?

 

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