1. Why is the solubility of butane 6.1 mg/100 g water, yet hexane is immiscible in water?
2. Rank the following compounds in order of increasing electrical conductivity: 0.1 M formic acid (HCOOH), 0.1 M (NH4)3PO4, 0.1 M KCl, and 0.1 M glucose solution (C6H12O6). Justify your answers with an explanation.