please solve i-ii-iii

An experiment for the unknown molecular weight (MW) of polystyrene (PS) samples have been carried with the viscometer method and results are shown in Table 1. The solvent and temperature for this experiment was toluene and 25C, respectively. (i) Calculate the specific viscosity for the given data in Table 1. (ii) Plot the relevant graphs. (iii) From the plotted graph, determine the MWof PS. Table 1 (where, C= concentration of polymer solution; rel= relative viscosity; Mark-Houwink constants, a=0.69 and K=1,73103m3kg1 )