11. Toluene (methylbenzene) and water are immiscible. If boiled together under an atmosphere pressure of 755.0 Torr at 83°C, what is the ratio of toluene to water (Wtoluene/Wwater)in the distillate? The vapor pressure of pure toluene and water 83°C are 322.0 Torr and 400.6 Torr, respectively. (Wtoluene/Wwater)=
(A) 1.11,
(B) 2.11,
(C) 3.11,
(D) 4.11,
(E) 5.11
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統計: 尚無統計資料
統計: 尚無統計資料