A Sample of Oxygen Is Collected Over Water at a Total

Multiple Choice

A sample of oxygen is collected over water at a total pressure of 678.4 mmHg at 25°C.The vapor pressure of water at 25°C is 23.8 mmHg.The partial pressure of the O₂ is

A) 0.9239 atm.
B) 0.9161 atm.
C) 0.8926 atm.
D) 1.092 atm.
E) 0.8613 atm.