c/100=md/ms => md=c*ms/100=98*200/100=196g
60g..........................................88g
CH3COOH + CH3CH2OH <=>CH3COOCH2CH3 + H2O
196g.......................................x=?
x=196*88/60=287,46g acetat (100%)
vom calcula 66% din 287,46=0,66*287,46=191,64g acetat.