Question: The molar absorption coefficient of a solute at 440 nm is 323 dm2 mol-1 cm-1 when light of that wavelength passes through a 7.50 mm

The molar absorption coefficient of a solute at 440 nm is 323 dm2 mol-1 cm-1 when light of that wavelength passes through a 7.50 mm cell containing a solution of the solute 52.3 per cent of the light is absorbed what is the concentration of the solution?

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