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0.254 M solution blue dye has absorbance 0.885. What's molar absorbtivity of this solution, assuming pathlength of cuvette (b) is 1 cm?
A 0.254 M solution of blue dye has an absorbance reading of 0.885. What is the molar absorbtivity of this solution, assuming that the pathlength of the cuvette (b) is 1 cm? (Include proper units) Absorbance = ε b C
Select one:
a. 0.225 M-1 cm-1
b. 3.48 M-1 cm-1
c. 0.287 M-1 cm-1
1 Answer
- DavidBLv 75 years ago
you have the equation: A = ε b C
so molar absorbtivity is given by: ε = A/b C
where you know A, b and C. So just calculate it