41. Through their different arrangement, they form three structural isomers with the molecular formula C 10 H 14. 42. The molecular formula is C 4 H 5 FO 2 and the molecular weight is 104.08. 43. "' Heptanitrocubane "'is a new experimental nitro groups, giving the final molecular formula . 44. "' Triethylsilane "'is a silane with the molecular formula C 6 H 16 Si. 45. The molecular formula , on the other hand, shows the number of each type of atom in a molecule. 46. The combustion reaction can be approximated as follows, with the molecular formula C 12 H 26 ( dodecane ): 47. "' Potassium peroxide "'is an inorganic compound with the molecular formula K 2 O 2. 48. "' Sabinene "'is a natural bicyclic monoterpene with the molecular formula C 10 H 16. 49. Isn't the molecular formula for the ionic compound aluminium fluoride Al 3 + ( F-) 3? 50. "' Dichlorobutane "'is a chloroalkane with the molecular formula C 4 H 8 Cl 2.