Chemistry

Problem

A sample of an organic dye is analyzed at its

\lambda_{\text{max}}

using a

1.00\,\text{cm}

cuvette. The measured absorbance is

0.525

. If the molar absorptivity of the dye at this wavelength is

2.10\times10^{4}\,\text{L\,mol}^{-1}\text{\,cm}^{-1}

, what is the concentration of the dye solution? a)

1.33\times10^{-5}\,\text{M}

2.50\times10^{-5}\,\text{M}

2.50\times10^{-4}\,\text{M}

5.76\times10^{-5}\,\text{M}