$($a$)$ Compute the repeat unit molecular weight of polypropylene.

$($b$)$ Compute the number$-$average molecular weight for a polypropylene for which the degree of polymerization is $25000.$

Part $1$

Calculate the repeat unit molecular weight of polypropylene in $\frac{g}{m}ol.$

Click here to access Table $14\mathrm{.}3.$ Atomic weights for several elements are included in the following table:

Carbon $,12\mathrm{.}01\frac{g}{m}ol$

Chlorine $,35\mathrm{.}45\frac{g}{m}ol$

Fluorine $,19\mathrm{.}00\frac{g}{m}ol$

Hydrogen $,1\mathrm{.}008\frac{g}{m}ol$

Oxygen $,16\mathrm{.}00\frac{g}{m}ol$

$m=$

$\frac{g}{m}ol$