Analysis of a sample of polyacrylonitrile (see Table 16-3) shows that there are six lengths of chains,

Question:

Analysis of a sample of polyacrylonitrile (see Table 16-3) shows that there are six lengths of chains, with the number of chains of each length shown in the table below. Determine
(a) The weight average molecular weight and degree of polymerization, and
(b) The number average molecular weight and degree of polymerization.