453 C/N ratio = = 15.26 C/Nratio= 38.16 ( - / - - / 1 24 g 1.56 g ( - / - ) = 58.14 g g g g g = 0.1089 g 0.78 g = 0.0019 g ( - / - ) g 1.56 g g 1.56 g = g 0.5953 g 2.50 g 0.039 g =