140. Solving a chemistry problem
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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
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