A well-known minimum boiling azeotrope of ethanol and water boils stably at exactly . Given that the pure boiling point of water is and the pure boiling point of ethanol is roughly , exactly how many

Question

A well-known minimum boiling azeotrope of ethanol and water boils stably at exactly $351.15	ext{ K}$. Given that the pure boiling point of water is $373.15	ext{ K}$ and the pure boiling point of ethanol is roughly $351.30	ext{ K}$, exactly how many distinct chemical components (by molecular formula) are fundamentally present in the vapour phase collected immediately during the steady boiling of this azeotropic mixture?

Prashant Kotian · Accepted Answer

Correct answer: 2. An azeotropic mixture boils at a constant temperature and its vapour phase has the exact same composition as the liquid phase. Since the liquid contains both ethanol () and water (), the vapour will simultaneously consist of both of these exactly 2 distinct components.

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