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To determine the unknown concentration of a food dye in a serving of the orange drink, you will first prepare a standard (calibration) curve using solutions of the same dye at known concentrations. What does the slope of the standard (calibration) curve represent? - The percent transmittance (%T) of the unknown dye solution - The path length (b) of the cuvette - The absorbance (A) of the unknown dye solution - The molar extinction coefficient (ϵ) of the dye multiplied by the path length (b) of the cuvette - The concentration (c) of the unknown dye solution the molar extinction coefficient (ϵ) of the dye
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