Given that a mixture of nitric acid (bp 86 °C) and water forms a maximum-boiling-point azeotrope that boils at 120.7 °C with a composition of 67.4% nitric acid to 32.6% water. Construct an approximate boiling-point-phase diagram (with % composition on the x-axis and temperature on the y-axis) for this system. Include the boiling points of pure nitric acid, pure water, and the boiling point of the azeotrope on your diagram. Describe the behavior on distillation of a mixture that is 80% water and 20% nitric acid.

EBK A SMALL SCALE APPROACH TO ORGANIC L
4th Edition
ISBN:9781305446021
Author:Lampman
Publisher:Lampman
Chapter84: Fractional Distillation, Azeotropes
Section: Chapter Questions
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Given that a mixture of nitric acid (bp 86 °C) and water forms a maximum-boiling-point azeotrope that boils at 120.7 °C with a composition of 67.4% nitric acid to 32.6% water. Construct an approximate boiling-point-phase diagram (with % composition on the x-axis and temperature on the y-axis) for this system. Include the boiling points of pure nitric acid, pure water, and the boiling point of the azeotrope on your diagram. 

Describe the behavior on distillation of a mixture that is 80% water and 20% nitric acid.

 

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