joelpimentel
06.11.2020 •
Chemistry
At 20°C, the vapor pressure of toluene is 25 millimeters of mercury and that of benzene is 75 millimeters of mercury. An ideal solution equimolar in toluene and benzene, is prepared. At 20°C, what is the mole fraction of benzene in the vapor in equilibrium with this solution?
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Ответ:
(F) (O) (N) (C) (B) (Na)
Explanation:
Fluorine has the highest electronegativity,while Oxygen comes 2nd. Then Nitrogen 3rd, Carbon 4th then Boron 5th while Sodium has the lowest electronegativity.