Sealed reach AN exact of now Initially o, 16 mol to excess Sess are in 2 dm Container and the system is allowed equilibrium a goc Pb(NO3)2 solution is golded to the container so that ALL the H₂ Seg) present the container at EQUILIBRIUM converted Pbs as acwrding to the following balanced equation. Pb (NO2)2 laq & Hasys RSG + HINO, (aq) The mass of the Pbs precipitate is 2,39 g 7 Caleulate the equilibrium constant ke for the reaction Hergo S e Hasus at 90 °C ​