140. Solving a chemistry problem

140. Solving a chemistry problem

23. Using the Bouguer - Lambert - Beer equation, determine the parameter "X" (in accordance with the task number) in the specified units (Table 2).
Detected ion or substance Azobenzene
Colored compound formation reaction Intrinsic coloration
Wavelength, nm 438
ε 1100
Layer thickness, cm 5.0
Concentration X mg / ml
Optical density 0.356

Additional information:

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.