The extinction coefficient for FD&C Blue Dye #1 is 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 0.565. 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) 6.35x10-7 1.23x10-6 3.84x10-6 5.68x10-6 Absorbance @ 630 nm 0.088 0.160 0.541 0.787

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The extinction coefficient for FD&C Blue Dye #1 is 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 0.565. 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)
6.35x10-7
1.23x10-6
3.84x10-6
5.68x10-6
Absorbance
@ 630 nm
0.088
0.160
0.541
0.787
Transcribed Image Text:The extinction coefficient for FD&C Blue Dye #1 is 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 0.565. 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) 6.35x10-7 1.23x10-6 3.84x10-6 5.68x10-6 Absorbance @ 630 nm 0.088 0.160 0.541 0.787
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