what is the empirical formula for h2c2o4?
empirical formula = HCO2 90 g/mole 2 45.017 g/mole ≈ ; molecular formula = 2x empirical formula = H2C2O4 Page 4 9. Adipic acid is used in the manufacture of nylon. The composition of the acid is 49.3% C, 6.90% H and 43.8% O by weight.