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Chemistry, 20.04.2021 08:40 camrynhelm8278

The following data were obtained in the spectrophotometric determination of iron. (a) Determine the linear least squares line.

(b) Compute the concentration of iron in a solution if its absorbance is 0.450.

Fe (ppm)

Absorbance

1.0

0.240

2.0

0.460

3.0

0.662

4.0

0.876

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