Question

How many moles of lead iodide are produced from 300. g of potassium iodide? Usie the reaction below.

PB(NO3)+ KI = Ni9OH)2 + NaNO3

Answer 1

You have serious problems with your equation. I suspect while transcribing this from your homework paper to this site you read part from one line and part from another line. What you wrote will not occur.
Did you mean
Pb(NO3)2 + 2KI ==> PbI2 + 2KNO3

Answer 2

.903