According to the following thermochemical equation, what mass of H2O (in g) must form in order to produce 975 kJ of energy? SiO2(s) + 4 HF(g) → SiF4(g) + 2 H2O(l) ΔH°rxn = -184 kJ A) 68.0 g B) 102 g C) 54.1 g D) 191 g E) 95.5 g ANSWER: D) 191 g