Determination of the % Aspirin in an Analgesic Tablet

Enter your unknown number     

Enter the mass of acetylsalicylic acid used in 250 ml. solution      g.

Enter the absorbance of the following solutions:
Solution #Absorbance
1 (5ml/100ml)
2 (4ml/100ml)
3 (3ml/100ml)
4 (2ml/100ml)
5 (1ml/100ml)

Enter mass of the commercial tablet used in 250 ml soln.     g.
Enter absorbance of the dilution of 2 ml to 100 ml     

Click to do calculations for amount and percent aspirin in unknown tablet.

× 10-4 moles/lit.
mg. aspirin
% aspirin

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