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申論題資訊

試卷:110年 - 110 國立高雄大學_碩士班招生考試_化學工程及材料工程學系:普通化學#102205
科目:研究所、轉學考(插大)◆普通化學
年份:110年
排序:7

題組內容

7. Pentane (616937ceb5b1e.jpg) and hexane (616937d51459a.jpg) form an ideal solution. At 25 °C the vapor pressures of pentane and hexane are 511 and 150. torr, respectively. A solution is prepared by mixing 25 mL pentane (density, 0.63 g/mL) with 45 mL hexane (density, 0.66 g/mL).

申論題內容

(b) What is the composition by mole fraction of pentane in the vapor that is in equilibrium with this solution? (2%)