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M-8
ADVANCED STUDY ASSIGNMENT
1.
If the % transmittance of a sample is 65.0%, calculate the absorbance of the sample.
Answer: 0.187
2.
Why is it important to use a matched set of cuvettes when determining the absorbance of
a set of solutions?
3.
Identify three factors that affect the amount of light absorbed by a solution.
4.
What is the purpose of the “blank” solution in this experiment?
5.
If 5.00 mL of 5.31 x 10
-3
M iron(II) complex solution is diluted to 25.0 mL with distilled
water, what is the concentration of the diluted solution?
Answer: 1.06 x 10
-3
M
