Time left 0:05:46 17 ed The aluminum in a 3.200-g sample was precipitated with aqueous ammonia as the hydrous Al2O3 - XH2O. The precipitate was filtered and ignited at 1000C to give anhydrous Al,O101.96 g/mol) (Al=26.98), which weighed 0.2001 g. the result of this analysis in terms of % Al is out of n O 5.4% 6.2% O 3.3 % O 11% O 0.012% OBRA to search