3. Three aspirin tablets (300mg) weighing respectively 0.325g; 0.318g and 0.339g were crushed. How much tablet...

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3. Three aspirin tablets (300mg) weighing respectively 0.325g; 0.318g and 0.339g were crushed. How much tablet powder need to weighed to have 250 mg of active ingredient available to prepare a acetylsalicylic acid solution ? 4. A sanitization solution that contains 275 g of isopropyl alcohol in 500 g of solution which has a density of 0.857g/ml. Express the concentration in %m/v. 3. Three aspirin tablets (300mg) weighing respectively 0.325g; 0.318g and 0.339g were crushed. How much tablet powder need to weighed to have 250 mg of active ingredient available to prepare a acetylsalicylic acid solution ? 4. A sanitization solution that contains 275 g of isopropyl alcohol in 500 g of solution which has a density of 0.857g/ml. Express the concentration in %m/v.