a solution of bromine in water?

Question

so i'm making a solution of bromine in water and finding the concentration of this solution using a UV VIS spectrum and the beer-lambert law. What I'm wondering, is how do I know where to look on the graph to determine the concentration....mb this will be clear when I do the experiment, but I'm confused.
Can anyone help plzzzzzzz?

Answer 1

You will probably see a single absorption maximum in the visible, and you'll use that peak.