Vapor/liquid-equilibrium azeotropy is impossible for binary systems rigorously described by Raoult's law (Pb. 10.5). For real systems (those with y + 1), azeotropy is inevitable at temperatures where the are equal Such a temperature is called a Bancroft point. Not all binary systems exhibit such point. With Table B.2 of App. B as a resource, identify three binary systems with Bancroft points, and determine the Tand P coordinates. Ground rule: A Bancroft point must lie in the temperature ranges of validity of the Antoine equations. Table B.2 Constants for the Antoine Equation for Vapor Pressures of Pure Species