5 Questlon (2 points) Ferrophosphorus (Fe2P) reacts with pyrite (FeS2) producing iron(II) sulfide and a compound that is 27.87%P and 72.13%S by mass and has a molar mass of 444.56g/mol. 1 st attempt Part 1 ( 0.7 point) Determine the empirical formula of this compound. Express your answer as PxSy Determine the molecular formula of this compound. Express your answer as PxSy Part 3 (0.7 point) Write a balanced chemical equation for this reaction by completing the reaction below. Add the missing products and coefficients. Do not include phases