Perfluorocarbons (PFCs), hydrocarbons with all the H replaced by F, have very weak
Chapter 13, Problem 13.157(choose chapter or problem)
Perfluorocarbons (PFCs), hydrocarbons with all the H replaced by F, have very weak cohesive forces. One unusual application shows a mouse surviving submerged in O2-saturated PFCs. (a) At 298 K, perfluorohexane (C6F14, _ 338 g/mol, d _ 1.674 g/mL) in equilibrium with 101,325 Pa of O2 has a _ PO2 N N mole fraction of O2 of 4.28_10_3. What is the kH in mol/L_atm? (b) According to one source, the kH for O2 in water at 25_C is 756.7 L_atm/mol. What is the solubility of O2 in water at 25_C in ppm? (c) Rank the kH values in descending order for O2 in water, ethanol, C6F14, and C6H14. Explain your ranking.
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