Beer's Law

Using what you know about Beer's Law, describe what would happen to the absorbance in each of the following situations.

A$.$ The absorbance of a $0\mathrm{.}5M$ solution with a path length of $1cm$ is $0\mathrm{.}2.$ You then increase the path length to $2cm.$ What is

the new absorbance value?

B$.$ The absorbance of a $0\mathrm{.}5M$ solution with a path length of $1cm$ is $0\mathrm{.}2.$ You then decrease the concentration of the

solution to $0\mathrm{.}25M.$ What is the new absorbance value?

You have two solutions at a concentration of $0\mathrm{.}5M$ with a path length of $1cm.$ One is a yellow solution of iron$($III$)$ ions, while the

other is a lavender solution of vanadium$($II$)$ ions. You are measuring the absorbance at $570nm$ in the yellow region of the

visible spectrum. Which solution will have a larger absorbance at $570nm?$ How do $$ values vary at different wavelengths and

for different substances?