posted by Zoe .
Determine the partial pressure of oxygen necessary to form an aqueous solution that is 7.7 x 10-4 M O2 at 25oC. The Henry's Law Constant for oxygen in water at 25oC is 1.3 x 10-3 M/atm
C = pO2*K
Substitute for C and K from the problem and solve for pO2.