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