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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，沉淀形式若为Al 2 O 3 ，可得到______g Al 2 O 3 沉淀物。
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