7. Calculate the concentration of Pd2 in the solution from the results of photometric titration of an aliquot (10.0 cm3) of this solution of a solution of nitroso-R-salt, 2.44 * 10-4 M, giving a colored complex with coordination acid 2.
Reagent volume, cm3 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0
D0 0.150 0.270 0.375 0.370 0.350 0.320 0.300

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