The molar absorption coefficient of a solute at 540 nm is 286 dm 3 mol 1 cm
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The molar absorption coefficient of a solute at 540 nm is 286 dm3 mol−1 cm−1. When light of that wavelength passes through a 6.5 mm cell containing a solution of the solute, 46.5 per cent of the light is absorbed. What is the concentration of the solution?
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