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Solid Ammonium Hydrogen Sulfide Is Introduced into a 2

Question 78

Multiple Choice

Solid ammonium hydrogen sulfide is introduced into a 2.00-L flask, and the flask is sealed. If this solid decomposes according to the equation
NH4HS(s)
Solid ammonium hydrogen sulfide is introduced into a 2.00-L flask, and the flask is sealed. If this solid decomposes according to the equation NH<sub>4</sub>HS(s) <sub> </sub> <sub> </sub> NH<sub>3</sub>(g) + H<sub>2</sub>S(g) , K<sub>p</sub> = 0.108 at 25°C, What is the minimum mass of ammonium hydrogen sulfide that must be present in the flask initially if equilibrium is to be established at 25°C? A) 0.917 g B) 1.37 g C) 2.74 g D) 0.581 g E) 0.452 g NH3(g) + H2S(g) , Kp = 0.108 at 25°C,
What is the minimum mass of ammonium hydrogen sulfide that must be present in the flask initially if equilibrium is to be established at 25°C?


A) 0.917 g
B) 1.37 g
C) 2.74 g
D) 0.581 g
E) 0.452 g

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