3 Pb(NO3)2 + 2 AlCl3 ---------------> 3 PbCl2 + 2
Al(NO3)3
993.6
g          Â
266.68
g                       Â
834.3 g
8.00
g             Â
2.67 g
A)
here limiting reagent is Pb(NO3)2
B)
993.6 g Pb(NO3)2Â Â -----------> 834.3 g PbCl2
8.00 g Pb(NO3)2Â Â Â ------------->Â Â
??
mass of PbCl2 formed = 8.00 x 834.3 / 993.6
                                   Â
= 6.72 g
theoretical yield of PbCl2 = 6.72 g
C)
percent yield = (actual yield / theoretical yield) x 100
                    Â
= (5.55 / 6.72) x 100
                    Â
= 82.6 %