Question

References Use the References to access important values if needed for this question. For the following reaction, 5.82 grams of water are mixed with excess diphosphorus pentoxide The reaction yields 14.8 grams of phosphoric acid. diphosphorus pentoxide(s) + water(1) phosphoric acid(aq) grams What is the theoretical yield of phosphoric acid? What is the percent yield for this reaction? Submit Answer

Answer 1

2 H₂ pou cal.) P2os (s) + 3 H₂O(l) s (s) + 3 Hold) - 5.829 no. of moles of H₂O AS Ros is present in exeass reagent is hoolel. By stochiometry - 7 moles of H₂O(l) = 5.829 -0.323 moles. 18 g/mol so our limiting es so our I. 0.323 mol of Holl) wi з о 9 а на оа) 9 oluted : 2 of a Karoq — hol of H2ol will produced - 2 mol. x 0.323 nel Hapoy ЗМо! = 0.2153 mod. oler mass of phospholic auid (H3 Poul = 989 Imal. I amount o Hapon produced = a8g/mol xo. 2153 wol 21.099. At ucu yilil_о_и_Po4 - 19. 88. perient yield actual field x 100 theortical yield = 14.89 x 100 = 70.18%. 210099 3 theolitical yield of phosphoric Acid = 21.099 1 yield of the reaction - 70.18%