Considering the following precipitation reaction:
Pb(NO3)2(aq) + 2KI(aq) ? PbI2(s) + 2KNO3(aq)
What is the correct net ionic equation?
A) Pb2+ + I2- ? PbI2(s)
B) 2NO3- + 2K+ ? 2KNO3
C) Pb2+ + 2NO3- + 2K+ + 2I- ? PbI2(s) + 2K+ + 2NO3-
D) Pb2+ + 2I- ? PbI2(s)
E) none of the above
Answer: D