Question

A sample of atactic polystyrene is separated into 5 fractions;

Fraction Number of Moles Molecular Weight
1 20 10,000
2 20 20,000
3 20 30,000
4 20 40,000
5 20 50,000

What is the number average molecular weight?

A. 2.33 x 104
B. 3.0 x 104
C. 3.66 x 104
D. 4.33 x 104

Answer 1

Answer:

I think option (c) is the correct answer

Answer 2

Explanation:

I'm am answers right now