CH3-COO-C6H5+NaOH--CH3COONa+C6H5OH x a moli
CH3-CH2-COO-CH3+NaOH--CH3-CH2COONa+CH3OH x b moli
c=n\V =V=3mol\l x4l =4*3=12 mol
8*12gC+8gH+32gO \mol=136 g\mol
4*12gC+8gH+32gO \mol=88g\mol
a+b=12
[136a+88b]=896
