please answer is one question with a and b

a)

b)

Considering the balanced precipitation reaction below. Pb(NO3)2(aq) + Na2CrO4(aq) - PbCrO4(s) + 2 NaNO3(aq) O A. pbt2(aq) Which of teh the equations below represents the complete ionic equation? + Cr042(aq) PbCrO4(s) O B. 2 NO3-1(aq) + 2 Na1 (aq) + 2 NO3- (aq) OC. Pb(NO3)2(aq) + Na2CrO4(aq) - PbCrO4(s) + 2 NaNO3(aq) O D.Pb2 (aq) + 2 NO3- (aq) + 2 Na+1 42(aq) -- PbCrO4(s) +2 Na (aq) + 2 NO3-1(aq) "(aq) - 2 Na+1 + (aq) + C1042 +1 '( + + + - Which of ten the equations below represents the net ionic equation? O A.Pb+2 (aq) + 2 NO3- (aq) + 2 Na+1 "(aq) + Cro4 2(aq) PbCrO4(s) + 2 Na*"(aq) + 2 N03-1(aq) O B. Pb(NO3)2(aq) + Na2CrO4(aq) --- PbCrO4(s) + 2 NaNO3(aq) O C2 N031(aq) + 2 Na* (aq) + 2 Na* (aq) + 2 NO3-|(aq) ) O O D.pb2(aq) + Cr04 2(aq) - PbCrO4(s) -2 (( 1