Chemical reactions

I don't know where to begin in solving this problem. Unsure what formulas to use. When lead (II) nitrate is added to an aqueous solution of sodium iodide, a precipitation reaction occurs that removes the iodide ion from solution. Pb(NO3)2 (s) + 2NaI (aq)  2PbI2 (s) + 2NaNO3 (aq) (a) If a solution contains 7.00g NaI, what mass of Pb(NO3)2 should be added to remove all of the iodide ion from solution? (b) When Pb(NO3)2 is added so that all 7.00g of NaI reacts, what mass of PbI2 should precipitate?
Question asked by: rnwannabe

Asked on: 27 Jul 2010

Did you manage to make any progress with this?

I have no idea what the answer is but maybe someone with chemistry knowledge will come along and be able to give more info!
By: knowitall
Replied at: 30 Aug 2010
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