Explain the wavelength used in the determination was 645nm

Reference no: EM13651561

Using the following data, calculate the concentration of copper(II) ions in the unknown solution. The cell path length is 1.00cm in all cases , and the wavelength used in the determination was 645nm.

Concentration of Cu^2+ (M) Absorbance
0.0561 .740
0.0339 .457
0.0280 .354
0.0170 .341
unknown .433

Reference no: EM13651561

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