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Metallurgical Engineering · Q67

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Engineering and GATE · Metallurgical Engineering · question 67

Q67

Consider the following collection of polymer chains. No. of molecules 10 5 4 2 1 Molecular weight gm.mol-1 2800 3000 1200 3600 1000 Mer unit is ethylene. Atomic weights: carbon (12) and, hydrogen (1). Calculate number average degree of polymerisation.

Consider the following collection of polymer chains.
No. of molecules 10 5 4 2 1
Molecular weight gm.mol-1 2800 3000 1200 3600 1000

Mer unit is ethylene. Atomic weights: carbon (12) and, hydrogen (1). Calculate number average degree of polymerisation.
A.
32.32
B.
90.91
Answer
C.
106.61
D.
116.13

Answer: Option B

Solution

Answer: Option B
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