1516L - Determination of an Equilibrium Constant

Details of this experiment are found in the handout here. You will use the spectrophotometer built into the MicroLab analysis equipment in order to accurately measure the concentration of ions in different solutions. You will then use Beer's Law to calculate an equilibrium constant for the following chemical reaction.

The instructions for preparing the solutions are found in the Catalyst lab manual.

The Experiment Setup

The cavity on the top of the MicroLab box is the spectrophotomer which fits two sizes of vials. You will be using the larger vials as shown below:

When the experiment is complete, dispose of any waste, return the clean vials to the front bench and clean up the balance room and your work area as needed.