Question

Phosphorus and liquid bromine react vigorously together to form phosphorus tribromide. P4 +6Br24 PBrz If 5.Og of phosphorus and 35g of bromine react, how many grams of PBr3 could be produced? Oa) 5 g PBrz Ob) 39.5 g PBr3 Oc) 79 g PBr3 Od) 0.146 g PBr3

Answer 1

P4 + 6 Br. 48 PBrz molof Pu reacts with 6 mol of Brz 4*319m et Po reacts with 6x49.9) 29mof Bre 5 gon of Py reacts with ? gm of Bra 5 x 6x79.9x2 = 38-7gm of Bra ux31 required, but Schere limiting one Bry - given 35 gons 6mol of Bre a mol of PBrz 6x79.982 4X(31479.943) 35 gong - 2 35 x HX970-7 - 39.59os 6x79.982 of PBra