What Partial Pressure of Oxygen Gas Is Required in Order

Multiple Choice

What partial pressure of oxygen gas is required in order for 0.00284 g of the gas to dissolve in 15.9 mL of pure water? The Henry's law constant for oxygen gas is 1.3 × 10^-3 M atm^-1.

A) 2.3 × 10^-7 atm
B) 4.3 × 10⁰ atm
C) 1.2 × 10^-7 atm
D) 2.3 × 10^-1 atm
E) 4.2 × 10^-2 atm