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ANAL A.2 Results Weight of crude product obtained: 0.731...
ANAL A.2 Results Weight of crude product obtained: 0.731 Weight of pure product obtained: 0.560 Moles of pure product obtained: 0.0031 mol Melting point of pure product: ) 168-169 (method used - Yield calculation 168.3-1691 i) weight used = 1.003g no. of moles = 0.0073 so LR because leks. Salicylic acid m1 used = 2 weight used = 2.16 no. of moles = 0.021 Acetic anhydride Therefore, the limiting reagent is % Yield = Therefore % yield of pure aspirin = moles of pure product obtained max. moles of product possible x100 % 100 % = x ㅡㅡㅡㅡㅡ ㅡ Appearance of product: Aa