6.46. Calculate the mass fraction (%) of Co in the alloy if a calcined precipitate of Co3O4 weighing 0.1012 g was obtained from a sample weighing 0.2100 g after precipitation of cobalt with α-nitroso-β-naphthol.

Read the product description. After payment, the system will redirect you to a page with a ready-made solution to problem 6.46 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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