Question

Given this equation:
2KI + Pb(NO3)2 ---> PbI2 + 2KNO3
calculate mass of PbI2 produced by reacting of 30.0 g KI with excess Pb(NO3)2

Please help
30g KI = 0.18 moles
You will get 1/2 that many moles of PbI2
so how many grams is that?

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