4: Beer's Law and Integrated Rate Law
- Page ID
- 379584
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Goals:
- Calculate the concentration of a dilute aqueous solute using absorbance spectroscopy (Beer's Law).
- Determine order of reaction by measuring the concentration of a reactant as a function of time
By the end of this lab, students should be able to:
- Calibrate a spectrometer and create a linear Beer's Law plot
- Use the Beer's Law plot to determine the concentration of an unknown analyte.
- Determine the order of reaction by measuring the absorbance of a reactant at a specific wavelength as a function of time.
Prior Knowledge:
- Basics of Graphing in Chemistry
- Exp. 1: Graphing-Data Analysis
- use of burettes, and dilution calculations
- Chapter 6 (sections 6.1 - 6.3)
Concurrent Reading
- Chapter 14 (emphasis on section 14.4)
Additional Resources
- Absorbance Spectroscopy (section 0.4.3)
- SpectroVis (section 0.4.3.5)
- User Manual (Vernier download)
- SpectroVis (section 0.4.3.5)
- LoggerPro Software (section 0.4.5)