d) A repeat unit of polyacrylonitrile (PAN) is shown in Fig. Q4(d) and its molecular weight data is tabulated in Table Q4(d). Calculate (i) the number-average molecular weight, (i1) the weight-average...


d) A repeat unit of polyacrylonitrile (PAN) is shown in Fig. Q4(d) and its molecular weight data<br>is tabulated in Table Q4(d). Calculate<br>(i) the number-average molecular weight,<br>(i1) the weight-average molecular weight<br>H CH3<br>—с-с-<br>H<br>N<br>Fig. Q4(d)<br>Table Q4(d)<br>Molecular Weight Range (g/mol) Number Fraction, x<br>Weight Fraction, w<br>0.01<br>0- 10000<br>0.03<br>10000 – 20000<br>0.05<br>0.04<br>20000 – 30000<br>0.12<br>0.16<br>0.17<br>30000 – 40000<br>0.14<br>40000 – 50000<br>0.18<br>0.19<br>50000 – 60000<br>0.22<br>0.21<br>60000 – 70000<br>0.16<br>0.15<br>70000 – 80000<br>0.10<br>0.07<br>

Extracted text: d) A repeat unit of polyacrylonitrile (PAN) is shown in Fig. Q4(d) and its molecular weight data is tabulated in Table Q4(d). Calculate (i) the number-average molecular weight, (i1) the weight-average molecular weight H CH3 —с-с- H N Fig. Q4(d) Table Q4(d) Molecular Weight Range (g/mol) Number Fraction, x Weight Fraction, w 0.01 0- 10000 0.03 10000 – 20000 0.05 0.04 20000 – 30000 0.12 0.16 0.17 30000 – 40000 0.14 40000 – 50000 0.18 0.19 50000 – 60000 0.22 0.21 60000 – 70000 0.16 0.15 70000 – 80000 0.10 0.07

Jun 07, 2022
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