Molecular weight range X 15,000-30,000 0.04 30,000-45,000 0.07 45,000-60,000 0.16 60,000-75,000 0.26 75,000-90,000 0.24 90,000-105,000 0.12 105,000-120,000 0.08 120,000-135,000 0.03 Which of the below shows the correct weight fraction (W) associated with the 45,000- 60,000 and 105,000-120,000 ranges in this polymer sample respectively? a. W=0.09 for 45,000-60,000 and = = 0.16 for 105,000-120,000 b. W= 0.15 for 45,000-60,000 and W; = 0.12 for 105,000-120,000 c. W -0.13 for 45,000-60,000 and W = 0.13 for 105,000-120,000 W=0.11 for 45,000-60,000 and W = 0.12 for 105,000-120,000 d. W = 0.16 for 45,000-60,000 and W = 0.08 for 105,000-120,000 X Ofe.