Hydrogen gas reacts with oxygen gas to form water vapor according to the balanced chemical equation: 2 H₂(g) + O₂(g) → 2 H₂O(g). ΔH = -483.5 kJ. Determine the minimum mass of H₂ gas required to produce 226 kJ of heat.

a) 1.0 g

b) 2.0 g

c) 3.0 g

d) 4.0 g