Meets AP Science Practices 1, 2, 4, 5, and 6
- Addresses Big Idea 4
- Materials provided for 30 students working in pairs
- Investigation includes updated literature aligned with new AP Chemistry curriculum standards
In this lab, a spectrophotometric analysis will be done to determine the rate law for the reaction between crystal violet and sodium hydroxide. Students will use a spectrophotometer to produce a Beer's law calibration curve and collect absorbance data over time. The data gathered in this study will be plotted and will ultimately be used to determine the order of reaction with respect to crystal violet and sodium hydroxide. Includes crystal violet, and sodium hydroxide. Requires spectrophotometer or colorimeter, and cuvettes, available separately.
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Required but Not Included: DI Water, Spectrophotometer or Colorimeter, Graduated Pipettes, Cuvettes, Pipette Bulbs, Volumetric Flasks, Gloves, Safety Goggles, Lab Aprons.