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1. A simultaneous determination for cobalt and nickel can be based on absorption by their respective 8-hydroxyquinolinol complexes. Molar absorptivities corresponding to their absorption maxima

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1. A simultaneous determination for cobalt and nickel can be based on absorption by their respective 8-hydroxyquinolinol complexes. Molar absorptivities corresponding to their absorption maxima are as follows: Calculate the molar concentration of nickel and cobalt in each of the following solutions using the following data

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