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The aluminum in a 1.258-g sample of impure ammonium aluminum sulfate was precipitated with aqueous ammonia...

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Chemistry

The aluminum in a 1.258-g sample of impure ammonium aluminumsulfate was precipitated with aqueous ammonia as the hydrous Al2O3. XH2O The precipitate was filtered and ignited at 1000°C to giveanhydrous Al2O3, which weighed 0.1060 g. Express the result of thisanalysis in terms of:

% NH4 Al(SO4)2 = %

% Al2O3= %

% Al = %

Answer & Explanation Solved by verified expert
3.7 Ratings (585 Votes)
molar mass of NH4AlSO42 2371452gmolmolar mass of Al2O3 10196gmolmolar mass of Al 269815gmolfirst calculate gram of eachgram of Al2O3    See Answer
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