For the reaction NH3(g) + H2S(g)        NH4HS(s) K = 400. At 35 °C. IF 1.00 mole of each of NH3, H2S, and NH4HS are placed in a 5.00 L vessel, (a) what mass of NH4HS will be present at equilibrium? (b) What is the pressure of H2S at equilibrium?

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