The regression line from a plot of absorbance vs. concentration yields: A = 2.31 c + 0.002. If the absorbance of an unknown is measured to be 0.124, what is the concentration of the analyte?

MCQs on the analytical theories and methods of qualitative and quantitative chemical analysis. Topics include gravimetric analysis, titrations, ultraviolet-visible (UV-Vis), infrared (IR), and nuclear magnetic resonance (NMR) spectroscopies, atomic absorption and emission, fluorescence and phosphorescence, chromatographic methods, including, column chromatography, gas chromatography (GC), and high pressure liquid chromatography (HPLC), electrophoresis, and electrochemical analysis techniques.