39. Solving a chemistry problem
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7. Using the Bouguer-Lambert-Beer equation, determine the parameter, denoted by x, in the indicated units.
Variant Ion or substance to be determined Reaction to form a colored compound Length
waves,
nm. ε Layer thickness, cm Current, scale divisions Concentration Optical density
initial after takeover
7 Quinoline Own color 275 4 500 2.00 - - 3 mg/l x
Variant Ion or substance to be determined Reaction to form a colored compound Length
waves,
nm. ε Layer thickness, cm Current, scale divisions Concentration Optical density
initial after takeover
7 Quinoline Own color 275 4 500 2.00 - - 3 mg/l x
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