140. Задачка по химии №014 011

20. Using the Bouguer - Lambert - Beer equation, determine the parameter "X" (in accordance with the task number) in the specified units (Table 2).
Determined ion or substance Аl3
The reaction of the formation of a colored compound with oxyquinoline AlR3
Wavelength, nm 390
ε 6700
Layer thickness, cm X
Concentration 0.00025 mol / l
Optical density 0.836

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