The following table lists molecular weight data for a polypropylene material. Molecular Weight Range (g/mol) Xi Wi 8,000 - 16,000 0.06 0.02 16,000 - 24,000 0.18 0.11 24,000 - 32,000 0.25 0.21 32,000 - 40,000 0.25 0.28 40,000 - 48,000 0.20 0.27 48,000 - 56,000 0.06 0.11 Click here to access Table 4.3. Atomic weights for several elements are included in the following table: Carbon 12.01 g/mol Chlorine 35.45 g/mol Fluorine 19.00 g/mol Hydrogen 1.008 g/mol Oxygen 16.00 g/mol Nitrogen 14.01 g/mol Compute the following: (a) the number-average molecular weight, i 33600 g/mol (b) the weight-average molecular weight, i 35840 g/mol (c) the degree of polymerization. i 800