A solution containing a metal complex absorbs at 480 nm with molar extinction coefficient of $15,000 \mathrm{L} \mathrm{mol}^{-1} \mathrm{cm}^{-1}$. If the path length of the cell is 1.0 cm and transmittance is 20.5\%, the concentration (in $\mathrm{mol} \mathrm{L}^{-1}$ ) of the metal complex is:
(a)$2.29 \times 10^{-5}$
(b)$8.75 \times 10^{-5}$
(c)$4.59 \times 10^{-5}$
(d)$1.37 \times 10^{-5}$
Answer
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