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Question- An aqueous solution of copper sulfate was found to have an absorbance of 0.168 at 265 nm when measured in a cuvette with a path-length of 0.500cm. If the absorptivity of the transition is 11.5m^2/mol what is the copper concentration in

1) M(mol/L?

2) Parts per million(mg/L)

Pay attention molar mass of Cu=63.55g/mol)

Please define why you think that's the right answer

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