Vasiliev Chapter 6 Problem 2

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6.2. Calculate the conversion factor (gravimetric factor) for determining the substance if the analysis is performed according to the scheme indicated in the table:

Option Determined substance Analysis scheme

1 NH3 NH3→(NH4)2PtCl6→Pt

2 As As→As2S3→SO42-→BaSO4

3 CaC2 CaC2→H2C2→Ag2C2→AgCl

4 C2H5≡CH (ethyl acetylene) C2H5C≡CH→C2H5C≡CAg→AgCl

5 S S→H2S→CdS→CuS→CuO

6 HF HF→CaF2→CaSO4

7 SO42- in Fe2(SO4)3 Fe2(SO4)3→Fe(OH)3→Fe2O3

8 P2O5 P2O5→PO43-→(NH4)3PO4 12MoO3→PbMoO4

9 C11H12O5N2Cl2 (chloromycin) C11H12O5N2Cl2→NaCl→AgCl

10 C2H5OSOH C2H5OSOH→(C2H5OSO)3Fe→Fe2O3

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Read the product description. After payment, the system will redirect you to a page with a ready-made solution to problem 6.2 from the collection: Vasiliev 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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