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A1 Determine the quantity of the substance and the molar equivalent
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Description
1. Determine the amount of material equivalent and molar mass equivalents of phosphorus, oxygen and bromine compounds PH3, H2O, HBr if the mass of substance 3.54 g
Additional information
The objectives of the manuals "Chemistry. Guidelines, work program and control tasks, "ed. prof. VA Averyanov, Part 1, Tula, 2004.
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Tasks performed in Microsoft Word, graphics - in Microsoft Exel or OriginPro; formula typed in MathType (if formulas are unreadable signs, then you must install the editor); files are archived WinRAR.
