25. A 1.0 g sample of the alloy containing about 40% Cu was dissolved in a 200.0 ml volumetric flask. What volume of a solution of thioacetamide CH3CSNH2 with a mass fraction of 2% (ρ=1 g/cm3) will be required to precipitate CuS from 20.00 ml of solution with a threefold amount of precipitant?

Read the product description. After payment, the system will redirect you to a page with a ready-made solution to problem 6.25 from the collection: Vasilyev V.P. Analytical chemistry. Collection of questions, exercises and tasks: a manual for universities / V.P. Vasiliev, L.A. Kochergina, T.D. Orlova; edited by V.P. Vasilyeva. – 4th ed., stereotype. – M.: Bustard, 2006. – 318, [2] p.: ill. The solution is a document formatted in MS Word.
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