What is the concentration of a solution if the absorbance is 0.66 and the constant (a x b) is 8.2 L/mol?

2 answers

A = a*b*c
0.66 = a*b*c
calculate c.
Use the equation:
A = abC, with C = concentration
Do the substitutions:
0.66 = (8.2L/mol)(C)
Solve for C. What are the units of your answer?