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5- Calculation of solubility parameter for n-heptane at 298K; AH, is 8700 cal; density is 0.68g/ml; MW of 100 (Ans. 7.4 (cal cm-3)2 6- Explain

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5- Calculation of solubility parameter for n-heptane at 298K; AH, is 8700 cal; density is 0.68g/ml; MW of 100 (Ans. 7.4 (cal cm-3)2 6- Explain why a styrene-butadiene copolymer with solubility parameter 8 = 8.1 is insoluble in both pentane (8 = 7.1) and ethylene acetate (8 = 9.1), but will dissolve in a 1:1 mixture of the two solvents. QUESTIONS

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