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Spectrophotometric Determination of Copper
See the attached documents (experiment procedure) 
Experiment Data
Please read the lab procedure very carefully most of the data is given to you there!

Dilution Series for Standard Solutions

found in lab procedure


Found from the previous step

Absorbance of standard solutions

1. 0.118 Au

2. 0.367 AU

3. 0.602 AU

4. 0.870AU

Absorbance of penny


Calibration Curve

Found with previous data

Determination of Copper in Penny

Date of penny: 1995

Mass of penny: 2.80g

Found with previous data refer to page 27 in lab notebook for help