Question

16. When FeCl3 is ignited in an atmosphere of pure oxygen, this reaction takes place. 4 FeCl3(s) + 3 02 (g) ---> 2 Fe2O3(s) + 6 C12 (g) If 3.0 mol of FeCl3 are ignited in the presence of 2.0 mol of 02 gas, how much of which reagent is present in excess and thereiore remains unreacted? 0.25 mol 02 remain unreacted 0.33 mol FeCl3 remain unreacted 0.50 mol O2 remain unreacted 0.67 mol FeCl3 remain unreacted

Answer 1

from 4 mol 1 11 fecha 2 mol fe₂O3 is obtained 2/A 11 il 3 il 243 니 =105 from is obtained 3 mol O2 2 mol Fe₂O3 Fe₂O3 4 O2 11 3 11 C el 2x2 2 il O2 11 3 1.33 so, O2 is encers. As from or less amount of pat will from limiting reactant and fedt, is 3 mol O₂ is react with 4 mol fedt, freck Unreacted fedz =(3-8/3) = 13 = 0.33 moli ч/s 1 1 11 Oz il ti 11 2 813 02