//Section-1,Example-6,Page no.-AC.36 //To find M_wbar for PP given its degree of polymerisation as 10,000. clc; DP_wbar= 10000 //Degree of polymerisation(given) M_o=(12*3)+(6*1) //Molecular weight of repeat unit of PP M_wbar= (10000*42) disp (M_wbar,'weight averge molecular mass(gm/mol)')