QuestionQuestion

For polymerisation A, from the initial mass of monomer and toluene, and the mass of polymer formed, calculate:
a) the % conversion of monomer to polymer
b) the average rate of polymerisation, Rp (in units of mol ๐‘‘๐‘šโˆ’ยณ ๐‘ โˆ’ยน) over the period which the polymerisation was carried out.
          โˆ’๐‘‘[๐‘€]
Rp = -----------
               ๐‘‘๐‘ก
MMA density = 940 ๐‘˜๐‘”/๐‘š๐‘œ๐‘™3
Toluene density = 867 ๐‘˜๐‘”/๐‘š3
Reaction A
MMA/g 10
Toluene /g 10
AIBN / g 0.2
Sampling time (mins) 60
Mass of Polymer 1.9226
Polymerisation took place at 60ยฐC
It should be assumed that there is no change of volume when the monomer and toluene are mixed.

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