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1. Weigh the aspirin and triturate with enough lactose, NF in a mortar and pestle to blend. Make a prescription for 24 capsules of 280 mg aspirin. 2. Using a stainless steel spatula block the powder together and compress it into a flat surface to make it easier to fill the capsules. Weigh each capsule to ensure appropriate filling. 3. Calculate the average weight of each active and inactive ingredient utilized in the 280 mg aspirin capsule. Calculate also the percent error based on the average final capsule weight and the expected capsule weight. Make sure that each unit shall be not less than 90% and nor more than 110% of the theoretically calculated weight for each unit.Ist empty capsule = 0. 105 9 7 105 ma 2 nd empty capsule = 0.106 9 - 106 ma 211 ma : 2 = 105 5 my Ist capsule 0 .5 20 9 - 520 mg 2 nd capsule = 0 -492 9 7 492 my 1,012 ma : 2 = 506 ma observed weight = weight of capsule with powder - weight of empty capsule = 506 ma - 105.5 ma = 400 . 5 mq theoretical weight : 290 mq 4 00 . 5 mg - 280 mg * 100 1. error = 280 ma / error = 43 %