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8. Nitric acid, HNO3 (boiling point = 86 C) and water (boiling point = 100 C) are mixed to form an azeotrope mixture at 120.5 C. The composition of the azeotrope at this boiling point is 68 % of nitric acid. a. Sketch a phase diagram of boiling-point versus composition of that mixture. b. State the distillate and the remaining liquid if the mixture with a composition of 30 % of nitric acid is subjected to fractional distillation. [10 marks)