using beer law find the unknown concentration of solution, if the spectrophotome
ID: 968132 • Letter: U
Question
using beer law find the unknown concentration of solution, if the spectrophotometer has detected the absorbance of a solution as 0.55 at a wavelength of 300nm, the molar absorptivity of solution at that wavelength is 5500 L/mol.cm and light travelled a distance of 1.1 cm through the solution. using beer law find the unknown concentration of solution, if the spectrophotometer has detected the absorbance of a solution as 0.55 at a wavelength of 300nm, the molar absorptivity of solution at that wavelength is 5500 L/mol.cm and light travelled a distance of 1.1 cm through the solution. using beer law find the unknown concentration of solution, if the spectrophotometer has detected the absorbance of a solution as 0.55 at a wavelength of 300nm, the molar absorptivity of solution at that wavelength is 5500 L/mol.cm and light travelled a distance of 1.1 cm through the solution.Explanation / Answer
A = eCl
A= Absorbance = 0.55
e = molar absorbtivity = 5500L/molcm
C = ?
l = 1.1cm
So, C = A/el = 0.55 / (5500 x 1.1) = 9.09 x 10^-5 M concentration
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