145. Solving a chemistry problem
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145. Solving a chemistry problem
12.Molar absorption coefficient of a colored nickel solution with a-benzoyl dioxime at 406 nm is equal to 12500. Determine the minimum nickel concentration (mg / cm3), which can be determined photometrically in a cuvette 0.5 cm, if the minimum optical density recorded by the device is 0.020
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