140. Solving a chemistry problem

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22 Using the Bouguer - Lambert - Beer equation, determine the parameter "X" (in accordance with the problem number) in the specified units (Table 2).
table 2

Task number
Detected ion or substance Quinoline
Colored compound formation reaction: Intrinsic
coloration
Wavelength, nm 275
ε 4500
Layer thickness, cm 2.0
Concentration 3 mg / l
Optical density x

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