Aspirin calculations?

Update: Acetylsalicylic acid reacts with alkali NaOH in an equal ratio 4 aspirin tablets are weighed out and have a total mass of 8.84g they are crushed and added to 250cm3 of NaOH and left to react completely NaOH before ; 0.096 mol/dm3 NaOH after; 0.068 mol/dm3 how much aspirin in mg is in each tablet? how is... show more Acetylsalicylic acid reacts with alkali NaOH in an equal ratio

4 aspirin tablets are weighed out and have a total mass of 8.84g
they are crushed and added to 250cm3 of NaOH and left to react completely

NaOH before ; 0.096 mol/dm3
NaOH after; 0.068 mol/dm3

how much aspirin in mg is in each tablet?
how is this expressed as % wt/wt per tablet
3 answers 3