9 ASA For mass of ASA in analyte flask (e): mol NaOH = mol ASA Molarity NaOH x Volume NaOH (in L) = Molar Mass ASA ASA =

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9 Asa For Mass Of Asa In Analyte Flask E Mol Naoh Mol Asa Molarity Naoh X Volume Naoh In L Molar Mass Asa Asa 1 (32.75 KiB) Viewed 33 times

9 ASA For mass of ASA in analyte flask (e): mol NaOH = mol ASA Molarity NaOH x Volume NaOH (in L) = Molar Mass ASA ASA = Molarity NaOH x Volume NaOH (in L) x Molar Mass ASA 9 ASA = (0.1216) (0.009325+) (180.158 -- 0.20428476 GASA = 0.2043 gASA • For total mass of ASA in entire aspirin tablet sample: 9 ASA 0.204284769 Total 9 ASA ml solution 20.00 ml 100.0 mL Total 9 ASA (0.20428476 g)(1000 ml) = 1.02142389 20.00 ml. = 1.0214 total g ASA For the percent purity (%lw/w) of ASA in the aspirin tablet sample: 9 ASA x 100 g tablets 1.02142389 ASA x 100 = 84.7724954 1.20499 84.779 ASA in Aspirin Tablet 56 • For RSD % of 4w/w) of ASA in Aspirin tablet sample (%): Standard deviation(SD) = (82.00 - 84.77)2 + (8755-84.77) 2-1 V154013 3 = 3.92%) SD RSD% X 100 Average %opurity 3.92 RSD% 84.77 X 100 RSD%4.6% RSD%= 84.77%(w/w) 46%