A limestone rock sample of mass 1.25 g gives a precipitate of iron (III) and aluminum oxides.
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Question:
A limestone rock sample of mass 1.25 g gives a precipitate of iron (III) and aluminum oxides. The precipitate is filtered and calcined. The combined weight of both oxides (Al203, F203) turns out to be 0.1175 g. Applying another method on a new sample finds an iron content of 3.22%.
a) Calculate the mass in grams of Al203 obtained in the precipitate
b) Calculate the mass in grams of F2O3 that can be obtained in the precipitate
c) Calculate the mass mass percentage of aluminum in the rock.
Related Book For
Principles of heat transfer
ISBN: 978-0495667704
7th Edition
Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn
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