Henry's Law constants for aqueous solutions at 25°C are 8.20 × 10-7 molal/mmHg for N2 and 1.62 × 10-6 molal/mmHg for O2. Determine the amount of nitrogen and oxygen (in grams) in a cup (236 mL) of water under an atmospheric pressure of 760 mmHg, assuming that air is 80% N2 and 20% O2.