If a 1.33 g sample of an unknown organic molecule that contains c,h, and n is burned with excess oxygen gas to produce 2.656 g of CO₂ and 1.63 g of H₂O by the generalized reaction CaHbNc + excess O2 = xCO₂ + yH₂O + zN2, What is the empirical formula of the organic molecule?
