
Interpretation:
The molecular weights of all the repeat units of the polymers given in table 16.3 are to be calculated.
Concept Introduction:
The formula to calculate the molecular weight of a repeat unit is:
Here,

Answer to Problem 16.16P
The molecular weights of all the repeat units of the polymers given in table 16.3 are:
1. Polyethylene
2. Polyvinyl chloride
3. Polypropylene
4. Polystyrene
5. Polyacrylonitrile
6. Polymethyl methacrylate
7. Polychlorotrifluoroethylene
8. Polytetrafluoroethylene
Explanation of Solution
Name of all the polymers and molecular formula of their repeat units from table 16.3 are:
1. Polyethylene
2. Polyvinyl chloride
3. Polypropylene
4. Polystyrene
5. Polyacrylonitrile
6. Polymethyl methacrylate
7. Polychlorotrifluoroethylene
8. Polytetrafluoroethylene
Use equation (1) to calculate the molecular weight of the repeat unit of all the polymers as:
1. Polyethylene
2. Polyvinyl chloride
3. Polypropylene
4. Polystyrene
5. Polyacrylonitrile
6. Polymethyl methacrylate
7. Polychlorotrifluoroethylene
8. Polytetrafluoroethylene
The molecular weights of all the repeat units of the polymers given in table 16.3 are:
1. Polyethylene
2. Polyvinyl chloride
3. Polypropylene
4. Polystyrene
5. Polyacrylonitrile
6. Polymethyl methacrylate
7. Polychlorotrifluoroethylene
8. Polytetrafluoroethylene
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Chapter 16 Solutions
Essentials of Materials Science and Engineering, SI Edition
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