Amixture containing 70 mol % benzene and 30 mol % toluene is distilled under differential conditions at 101.32 kpa (1 atm). a total of one third of the moles in the feed is vaporized. calculate the average composition of the distillate and the composition of the remaining . liquid

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.