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The Equilibrium Constant,Kc,for the Decomposition of Ammonium Hydrogen Sulfide Is ×\times

Question 28

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The equilibrium constant,Kc,for the decomposition of ammonium hydrogen sulfide is 1.8 ×\times 10-4 at 25 \circ C.NH4HS(s)  The equilibrium constant,K<sub>c</sub>,for the decomposition of ammonium hydrogen sulfide is 1.8  \times  10<sup>-4</sup> at 25 <sup> \circ </sup>C.NH<sub>4</sub>HS(s)    NH<sub>3</sub>(g) + H<sub>2</sub>S(g)  If excess NH<sub>4</sub>HS(s) is allowed to equilibrate at 25 <sup> \circ </sup>C,what is the equilibrium concentration of NH<sub>3</sub>? A)  3.2  \times  10<sup>-8</sup> M B)  9.0  \times  10<sup>-5</sup> M C)  1.8  \times  10<sup>-4</sup> M D)  6.7  \times  10<sup>-3</sup> M E)  1.3  \times  10<sup>-2</sup> M NH3(g) + H2S(g)
If excess NH4HS(s) is allowed to equilibrate at 25 \circ C,what is the equilibrium concentration of NH3?


A) 3.2 ×\times 10-8 M
B) 9.0 ×\times 10-5 M
C) 1.8 ×\times 10-4 M
D) 6.7 ×\times 10-3 M
E) 1.3 ×\times 10-2 M

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