The extinction coefficient for FD&C Blue Dye #1 138,500 cm-L/mol at 630 nm. A chemist collected the following data at 630 nm. She also found that the absorbance of an FD&C Blue Dye #1 solution of unknown concentration was 0.309. Use your graphing calculator to generate a standard curve from this data set, and use it to determine the concentration of the unknown solution. Concentration of Blue Dye (M): 6.35 x 10^-7 1.23 x 10^-6 3.84 x 10^-6 5.68 x 10^-6 Absorbance @ 630 nm: 0.088 0.160 0.541 0.787