Q$\_$ The product of poly ethylene contains twelve molecules, four of the molecules have $Dp=220$ three of the molecules have $Dp=370,$ five of the molecules have $Dp=110$ Calculate the Mn$,$ Mv$,$ K$,$ and $($relative and specific viscosity$).$ If time of descent solvent and Polymer $(1015$ sec $)$ respectively, $MWD=0\mathrm{.}88,a=1?$