Chemistry help please..

Question

last problem on study guide and i have no idea how to do it.

2. Solutions of lead(II) nitrate and potassium iodide were combined in a test tube. the result was an unknown percipitate.

a.write the molecular equation for the reaction.

b.which of the possible products is the percippitate, how do you know?

c.write a complete ionic equation for the reaction and identify the spectator ions in the equation

d.write a net ionic equation for the reaction between lead(II) nitrate and potassium iodide

Answer 1

PbNo2+2KI---->PbI2+2KNo

i donno how to do d and c sorry

Answer 2

What part don't you know?

Pb(NO3)2(aq) + KI(aq) -->  ???

Pb2+ +  NO3-  +  K+  +  I-  --> ???

Solubility rules???

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Look at the reactants and predict the products of the double replacement reaction

Two possible products:  PbI2 and KNO3

Check the solubility rules to see which is insoluble in water:  PbI2

Write the molecular equation

Pb(NO3)2(aq) + 2KI(aq) -->  PbI2(s) + 2KNO3(aq)

Ionic equation

Pb2+ +  2NO3-  +  2K+  +  I2-  --> PbI2(s) + 2K+ + 2NO3-

Net ionic equation

Pb2+ + 2I-  -->  PbI2(s)