The accompanying absorption data were recorded at 390 nm in 1.00-cm cells for a continuous-variation

The accompanying absorption data were recorded at 390 nm in
1.00-cm cells for a continuous-variation study of the colored product formed
between Cd2+ and the complexing reagent R.

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The accompanying absorption data were recorded at 390 nm in 1.00-cm cells for a continuous-variation
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(a) Find the ligand-to-metal ratio in the product.

(b) Calculate an average value for the molar absorptivity of
the complex and its uncertainty. Assume that in the linear portions of the plot
the metal is completely complexed.

(c) Calculate Kf for the complex using the
stoichiometric ratio determined in (a) and the absorption data at the point of
intersection of the two extrapolated lines.

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