A given sample of a particular polymer will have molecules with a range of molecular weights, MW. If the molecular weight pdf is , what fraction of the molecules will have a molecular weight between 50 and 100?
A) 0.049
B) 0.036
C) 0.988
D) 0.043

Question

A given sample of a particular polymer will have molecules with a range of molecular weights, MW. If the molecular weight pdf is  , what fraction of the molecules will have a molecular weight between 50 and 100?
A) 0.049 
B) 0.036 
C) 0.988 
D) 0.043

Quizplus · Accepted Answer

To find the fraction of molecules with molecular weights between 50 and 100, we need to integrate the pdf between these two values.

∫50^100 11eaa948_cd0b_98d6_84bc_c7e90685fa5f_TB2342_11 dMW = 0.036

Therefore, the answer is B) 0.036.

A Given Sample of a Particular Polymer Will Have Molecules