41. Solving a chemistry problem

41. Solving a chemistry problem

Calculate the concentration of uranium (IV) and uranium (VI) in phosphoric acid according to the following data, l = 1 cm:
Absorbed wavelength, nm Molar absorption coefficients Total optical density
U (IV) U (VI)
λ1 = 410
λ2 = 630 2.0
330.0 11.0
0.0 0.55
0.87

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