//lubricants// //page 3.33 example 1// clc wt_oil=2.5//weight f oil saponified(gms)// blank=49.0//volume blank titration reading(ml)// back=26.4//volume back titration reading(ml)// volume=blank-back//volume of alcoholic KOH consumed(ml)// normality_KOH=0.4//normality of KOH// S=volume*normality_KOH*56/wt_oil//formula for saponification value// printf("\nSaponification value of oil is %.3f mg/g",S);