Chem lab | Chemistry homework help

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

Data
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
0.146

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

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