You are actually likely referring to "Chemical Calculations" by Frank C. Benson
I think likely By Benson
A widely used reference on chemical calculations is: calculos quimicos benson pdf
But I think I actually found..
probably"Chemical Engineering and Chemical Calculatons"... You are actually likely referring to "Chemical Calculations"
The second "edition or so" By Frank Benson and possibly other authors titled calculos quimicos benson pdf