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【简答题】
称取含铝试样0.5000g，溶解后用8-羟基喹啉沉淀，得到0.3200gAl(C 9 H 6 NO) 3 沉淀。计算试样中铝的质量分数。沉淀形式若为Al 2 O 3 ，可得到多少克Al 2 O 3 沉淀物?[M(Al)=26.98g·mol -1 ，M(AlC 27 H 18 N 3 O 3 )=459.44g·mol -1 ，们(Al 2 O 3 )=101.96g·mol -1 ]
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