The base of Ironman’s armor is a titanium-nitrogen compound. A sample of this compound was created by reacting 3.027 g Ti with excess N to form 3.618 g of the titanium-nitrogen compound. What is the empirical formula of this compound? When entering the formula place the elements in the following order: Ti, N. For subscripts, write the number after the element it corresponds to. For example, H2O should be written as H2O.