15. Solution to Chemistry Problem

15. Solution to Chemistry Problem

1. The optical density of a copper (II) complex solution measured relative to a reference solution at a layer thickness of 20 mm is 0.287. Calculate the concentration (mg/L) of copper (II) if the reference solution contained 0.00338 mg copper (II) in 10.00 mL of solution, and the molar absorption coefficient of the copper (II) complex is 4*103 cm−1 M−1. The molar mass of copper is 63.55 g/mol.

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