Calculate the equilibrium concentrations of NH3 and H2S if a sample of solid NH4HS is placed in a closed vessel and decomposes until equilibrium is reached. (Hint: report 2 significant figures in answers.) At 21.8°C, Kc = 1.2 10-4 NH4HS(s) NH3(g) + H2S(g) [NH3]= [H2S]=