Name _________________________Station # ______ Date _____________________
CHM 101 Spectrophotometry
PRE-LAB
Calculate the molarities of diluted Copper (II) Sulfate solutions from the stock solution, which is 0.1 M CuSO4.
Flask # Volume of CuSO4
Solution (mL) Volume of DI H2O
(mL) Molarity (M) of
Solution
Cuvette #1 0 5 Blank (0.0 M)
Flask # 2 1 9
Flask #3 2 8
Flask #4 3 7
Flask #5 4 6
Flask #6 5 5
Flask #7 6 4
Flask #8 7 3
Flask #9 8 2
Flask #10 9 1
Cuvette#11 5 0 1.00 x 10-1
At what wavelength will the spectrophotometer be set?
The graph concentration vs. absorbance is associated with which Law?
