What mass, in grams, of oxygen would be dissolved in a 42-L container at 23 °C,
if the atmospheric pressure is at 1.00 atm, and that the partial pressure of O2 is at 0.21
atm? The Henry’s law constant for O2 is 1.3 × 10−3 M/atm at 25 °C. Assume ideal
solution behavior with this problem.