Determine the mass of water formed when 12.5 L NH 3 (at 298 K and 1.50 atm) is reacted with 18.9 L of O 2 (at 323 K and 1.1 atm).

4 NH 3( g) + 5 O 2( g) → 4 NO( g) + 6 H 2O( g)