The following data were obtained for a complex of nickel at 575 nm in a 1.00 cm cell. Using Microsoft Excel or some other graphing program, construct a calibration plot and accurately calculate the molar absorptivity (ε) for the nickel-complex at 575 nm.

Standard # Nickel Complex Concentration (M) Absorbance
1 0.01 0.058
2 0.02 0.109
3 0.04 0.220
4 0.06 0.328

A. 0.184 M-1cm-1

B. 0.002 M-1cm-1

C. 5.425 M-1cm-1

D. Not Enough Information to Determine

Check the explanation

Explanation:

It is basically known that the change in complex compositions of metal play a vital role in the conduction of molecular materials, which display atypical magnetic properties and conducting which also finds applicability in material chemistry, supramolecular and biochemistry, The electrochemical conduct of the nickel Ni(II) complexes was investigated in DMSO by cyclic voltammetry (CV), rotating coulometry and disc electrode (RDE).

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