n an experiment on UV-Vis Spectrophotometry, What are the results for A and B? A. Calibration Curve Concentration of Cu2+ solution                      Absorbance Molarity (M) ppm Cu     0.010     .0965 0.020     0.199 0.030     0.3235 0.040     0.4385 0.050     0.5543 0.060     0.6652 0.070     0.7239 0.080     0.8463 0.090     1.0354 0.100     1.3572 B. Unknown Analysis Trial Absorbance ppm Cu 1 0.4681   2 0.5074   3 0.4297   Average ppm Cu in sample Standard Deviation % Relative Standard Deviation

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.