B. Simple Distillation SAMPLES °C at which vapors are collected Distillate Water + Acetone 56 Water Pentane + Heptane 37 Toluene + Hexane 69

Which one of the following pairs of liquids might be used in carrying out solvent extractions? Explain your choice.   1. Benzene and hexane   2. Methylbenzene and water   3. Water and ethanol   4. Benzene and methylbenzene

Answer to c is 1.56g. Please answer bottom question and disregard book pages.

Suppose that you have a 1:1 mixture of compounds that is comprised of compound X and compound Y. You desire pure compound X and are planning a recrystallization to enhance the purity. Which solvent below is optimal for your recrystallization?      Ethanol (boiling point = 78 °C)   Solubility At   0  °C 100  °C Compound X 0.05 g/mL 0.20 g/mL Compound Y 0.02 g/mL 0.40 g/mL           Water (boiling point = 100 °C)   Solubility At   0  °C 100  °C Compound X 0.02 g/mL 0.05 g/mL Compound Y 0.01 g/mL 0.10 g/mL           Methanol (boiling point = 65 °C)   Solubility At   0  °C 65  °C Compound X 0.04 g/mL 0.10 g/mL Compound Y 0.02 g/mL 0.30 g/mL         Acetone (boiling point = 56 °C)   Solubility At   0  °C 56  °C Compound X 0.10 g/mL 0.50 g/mL Compound Y 0.20 g/mL 0.50 g/mL         Ethyl Acetate (boiling point = 77 °C)   Solubility At   0  °C 77  °C Compound X 0.10 g/mL 0.60 g/mL Compound Y 0.30 g/mL 0.60…