For my chemistry project, I was going to determine the rate constant for crystal violet and sodium hydroxide using a spectrophotometer, however the experiment failed and I was left with inconclusive data. Because of the quarantine, I am not allowed to return to the lab to repeat my experiment, so I need to find a virtual lab which shows the absorbance over time of a solution at a certain wavelength. It doesn't necessarily have to be the reaction of crystal violet and sodium hydroxide. https://www.chm.davidson.edu/vce/Kinetics/BromateBromideReaction.html https://www.chm.davidson.edu/vce/Kinetics/DifferentialRateLaws.html
These are the closest ones I could find, however I can't seem to get them to work. I would really appreciate it if you could help me find a rate law virtual lab that isn't broken.