4. If the following reaction goes 100% to completion, how many moles of H3PO6 are produced when limiting the reaction to 2.5 moles of water? P4O10+6H2O4H3PO4 a. 1.7 moles b. 3.0 moles C. 10 . moles d. 15 moles 5. A reaction occurs in which 10.0g of each of the reactants is initially placed in the container. Which reactant is the limiting reagent? K2S2O2+4Cl2+5H2O2KHSO4+8HCl a. K2S2O3 b. Cl2 c. H2O d. KHSO4 e. All three are the limiting reagent since there are the same number of grams of each. 6. Solid tetraphosphorus decoxide reacts with liquid water to form an aqueous solution of phosphoric acid. How many grams of phosphoric acid will form when 30.00 grams of tetraphosphorus decoxide reacts with 75.00mL of water? Assume that the density of water is 1.000g/mL. a. 0.4222g b. 271.4g c. 41,34g d. 45.23g e. 52.70g 7. What is the limiting reactant in question number 6 ? a. tetraphosphorus decoxide b. water C. phosphoric acid d. no limiting reagent