Question

Beer’s Law Question Help

(16 pts total) The path length was not changed during the Beer's Law experiment and was therefore a fixed path length. Demonstrate why path length is fixed by completing the following: 4. (4 pts) Draw a picture representing the molecular-level view of a solution of blue dye inside a cuvette. Use symbols (i.e. triangles, etc.) to represent dye particles in the solution, and clearly define your symbols with labels or a legend (do not add more than 10 particles/symbols into your picture). a. b. (4 pts) Draw a second picture representing the molecular-level view of the same solution of blue dye but inside a larger cuvette with a path length that is roughly 50% longer than the first cuvette Use the same symbols as the first picture to represent the particles, and make sure the number of symbols in your second picture accurately reflects the same concentration of dye inside the cuvette as the first picture Think carefully about how many symbols should be in picture 1 vs. picture 2 since the volume of the second cuvette is 50% larger, but the concentration (particles per unit volume) of the solution is the same. (8 pts) Using your two cuvette pictures as support, provide a molecular-level explanation for how the change in path length for the two different cuvettes would alter the total amount of light being absorbed by the particles within the solutions. C.