2. In one gravimetric analysis, the aluminum in a 1.2g sample of impure NHA1(SO4)2 was precipitate as hydrous ALO3.XH2O. The precipitate was filtered and ignited at 1000 °C to give anhydrous Al2O3 which weighed 0.1798g. Calculate the % Al inthe sample.
2. In one gravimetric analysis, the aluminum in a 1.2g sample of impure NHA1(SO4)2 was precipitate as hydrous ALO3.XH2O. The precipitate was filtered and ignited at 1000 °C to give anhydrous Al2O3 which weighed 0.1798g. Calculate the % Al inthe sample.
Chapter12: Gravimetric Methods Of Analysis
Section: Chapter Questions
Problem 12.20QAP
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