Question:
In a polymer sample, 30% of molecules have a molecular mass of 20,000, 40% have 30,000 and the rest 60,000. What is the weight average molecular mass of the polymer ?
In a polymer sample, 30% of molecules have a molecular mass of 20,000, 40% have 30,000 and the rest 60,000. What is the weight average molecular mass of the polymer ?
Updated On: Jul 6, 2022
- 40300
- 30600
- 43333
- 50400
Hide Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
$\bar{M}_w = \frac{30(20000)^2 + 40 (30000)^2 + 30(60000)^2}{30 \times 2000) + (40 + 30000)+(30 \times 60000)} = 43.333$
Was this answer helpful?
0
0
Top Questions on Polymers
- Which of the following represents the correct structure of \( \beta\text{-}D\text{-}(-)\text{-} \) Fructofuranose?
- Which one of the statements regarding X is not correct?
3-Hydroxybutanoic acid → 3-Hydroxypentanoic acid → X X is: Match the following polymers with their applications:
- The correct statement regarding X and Y in the following set of reactions is
- Match the following polymers with their applications: \begin{center} \begin{tabular}{|c|c|} \hline List-I (Polymer) & List-II (Used in making)
\hline
View More Questions