Substances A and B are two miscible liquids that behave as an ideal mixture. Use the following liquid- vapor phase diagram for a mixture of A and B to answer questions a - c. The diagram is for atmospheric pressure = 760 torr. %3D vapor 80- 60- liquid 60- 50. 40- 10% A SO A composition (mo%) 1. What are the boiling points of the pure liquids A and B? Fill in the number only, NO units, N decimal point. bpt. A = 0.1 °C bpt B = 0.9 °C %3D temperature (C)

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Substances A and B are two miscible liquids that behave as an ideal mixture. Use the following liquid-
vapor phase diagram for a mixture of A and B to answer questions a c. The diagram is for atmospheric
pressure = 760 torr.
vapor
80-
60-
liquid
60-
50-
40
50% B
1 KIX B
composition (mol%)
1. What are the boiling points of the pure liquids A and B? Fill in the number only, NO units, NO
decimal point.
bpt. A =
0.1
°C
bpt B =
0.9
°C
%3D
37. What is the boiling point of a solution that is a mixture of 37.5 mol% A and 62.5 mol% B?
bpt. mixture =
°C
--
37. What is the composition of the vapor in equilibrium with a solution that is a mixture of 37.5
mol% A and 62.5 mol% B?
temperature (*C)
3D
Transcribed Image Text:Substances A and B are two miscible liquids that behave as an ideal mixture. Use the following liquid- vapor phase diagram for a mixture of A and B to answer questions a c. The diagram is for atmospheric pressure = 760 torr. vapor 80- 60- liquid 60- 50- 40 50% B 1 KIX B composition (mol%) 1. What are the boiling points of the pure liquids A and B? Fill in the number only, NO units, NO decimal point. bpt. A = 0.1 °C bpt B = 0.9 °C %3D 37. What is the boiling point of a solution that is a mixture of 37.5 mol% A and 62.5 mol% B? bpt. mixture = °C -- 37. What is the composition of the vapor in equilibrium with a solution that is a mixture of 37.5 mol% A and 62.5 mol% B? temperature (*C) 3D
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