Thus the molecular weight of a polyvinyl chloride with a degree of polymerization of 20000 is

Question

 The molecular weight of vinyl chloride is 62.5. Thus the molecular weight of a polyvinyl chloride with a degree of polymerization of 20000 is  

(a)$\frac{20000}{62.5}$                            (b)$\frac{62.5}{20000}$  

(c) $62.5\times 20000$             (d) 20000