In an experiment on UV-Vis Spectrophotometry, What are the results for A and B?A. Calibration CurveConcentration of Cu2+ solution AbsorbanceMolarity (M)ppm Cu 0.010 .09650.020 0.1990.030 0.32350.040 0.43850.050 0.55430.060 0.66520.070 0.72390.080 0.84630.090 1.03540.100 1.3572B. Unknown AnalysisTrialAbsorbanceppm Cu10.4681 20.5074 30.4297 Average ppm Cu in sampleStandard Deviation% Relative Standard Deviation

Given: Concentration of Cu+2 solution ppm (Cu+2) Absorbance 0.01 635.46 0.0965 0.02 1270.92…

Answered: n an experiment on UV-Vis…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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In 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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