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45. Solving a chemistry problem
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Uploaded: 10.02.2023
Content: 518.rar 18,85 kB
Refunds: 0
Uploaded: 10.02.2023
Content: 518.rar 18,85 kB
Product description
518. A sample of an alloy weighing 1.6518 g was processed in an appropriate way for the determination of manganese by the persulfate-silver method and transferred to a volumetric flask with a capacity of 250 ml. For titration of 25 ml of the resulting solution, 22.1 ml of a solution of sodium arsenite-nitrite was used, the titer of which for manganese is 0.00571 g/ml. Calculate % wt. manganese in the analyzed sample.
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