55.Molar absorption coefficients of 8-hydroxy ... dates

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55.Molar absorption coefficients of 8-hydroxy ... dates of cobalt (II) and nickel (II) in a solution of hydrochloric acid - acetone are equal for λeff = 365 nm, Е Co = 3530, Е Ni = 3230.In λeff = 700 nm light absorbs only hydroxy .... cobalt dates E Co = 429. Cobalt and nickel precipitates were obtained from 10.00 ml of the test solution, dissolved in 25.00 ml of a mixture of HCl-acetone and measured optical density at 365 and 700 nm in a cuvette = 1.00 cm. Calculate the concentration of cobalt and nickel in solution for the following options
Option 1
A365 = 0.820, A700 = 0.083

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