lead(ii) nitrate and ammonium iodide react to form lead(ii) iodide and ammonium nitrate according to the reaction pb(no3)2(aq) 2nh4i(aq)⟶pbi2(s) 2nh4no3(aq) what volume of a 0.710 m nh4i solution is required to react with 415 ml of a 0.380 m pb(no3)2 solution?