Question: 04 (30 pts) c) Applying the solubility parameter comparison criterion, check if polystyrene is soluble in toluene. (10 pts) d) Applying the Hansen solubility rule,

04 (30 pts) c) Applying the solubility parameter comparison criterion, check

04 (30 pts) c) Applying the solubility parameter comparison criterion, check if polystyrene is soluble in toluene. (10 pts) d) Applying the Hansen solubility rule, check if polystyrene is soluble in iso-propanol (10 pts) e) What is the maximum volume fraction of the isopropanol in toluene for which the polypolystyrene will be soluble in the mixture? Assume volume additivity. (10 pts) Polystyrene Toluene iso-Propanol oa 8.6 8.8 7.72 8p 3.0 0.7 3.0 Sn 2.0 1.0 8.02 R 3.5 All data for 8 are in Hildebrand units. Assume that the number of segments is equal to the number of the repeating units for polymers

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