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Ammonium hydrogen sulfide decomposes according to the following reaction, for which Kp = 0.11 at 250 degrees C: NH4HS(s) ⇌ H2S(g) + NH3(g) If 51.0 g of NH4HS(s) is placed in a sealed 5.0-L container, what is the partial pressure of NH3(g) at equilibrium?