Beer's Law Lab
The direct relationship between absorbency and concentration for a solution is known as Beer's Law.
Step By Step
2: Fill the cuvette 3/4 the way full with distilled water.
3: Put the cuvette in he colorimeter and calibrate it.
4: Empty the cuvette and fill it 3/4 the way full with 20% solution.
5: Put the cuvette in the colorimeter and push the "collect" button and then 'keep." Then type 20% and click enter.
6: Continue this process for all the solutions and then press "stop"
7: After collecting all the data, find the line of best fit.
The mystery solution was last using the same steps listed above.