Titanium reacts with iodine to form titanium(III) iodide, emitting heat, via the following reaction: 2Ti(s)+3I₂(g)→2TiI₃(s),ΔHₒᵣₓₙ=−839kJ Part A Determine the mass of titanium that reacts if 1.56×103 kJ of heat is emitted by the reaction.