1) Which is likely to be the most soluble with water? a) hexane b) acetone c) trichloromethane d) trinitro-toluene 2) Which is likely to be the most soluble in 3,4-dimethyloctane? a) hexane b) acetone c) trichloromethane d) trinitro-toluene 3) When ammonium nitrate is dissolved in water, the solution: a) gets warmer. b) gets colder. c) stays the same temperature. d) is none of the above because potassium nitrate is insoluble. Calculate the following. Include the appropriate units. (Data is in Table 12.4.) 4) A typical bottle of pop holds carbon dioxide at a pressure of 5 atm. What is the concentration of carbon dioxide in the solution? 5) A stream flowing over rocks and such is exposed to the atmosphere and well aerated. What would be the oxygen concentration in the water at 25C ? (Air pressure is 1.000 bar.)