What Partial Pressure of Oxygen Gas Is Required in Order $\times$

Multiple Choice

What partial pressure of oxygen gas is required in order for 0.00392 g of the gas to dissolve in 23.7 mL of pure water? The Henry's law constant for oxygen gas is 1.3 $\times$ 10^-3 M atm^-1.

A) 2.2 $\times$ 10^-7 atm
B) 4.0 $\times$ 10⁰ atm
C) 1.6 $\times$ 10^-7 atm
D) 2.5 $\times$ 10^-1 atm
E) 4.2 $\times$ 10^-2 atm