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//lubricants//
//example 3.7.2//
clc
S=180//Saponification value of oil//
wt_oil=1//weight f oil saponified(gms)//
blank=50//volume blank titration reading(ml)//
normality_KOH=0.4//normality of KOH //
volume=S*wt_oil/(normality_KOH*56)//formula for saponification value//
back=blank-volume//volume of alcoholic KOH consumed(ml)//
printf("\nQuantity of alcoholic KOH required per gm is %.0f ml",back);
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