For the Reaction 2 H₂ S(g) ⇆ 2 H₂ (G) $\degree$

question 104

Multiple Choice

For the reaction 2 H₂ S(g) ⇆ 2 H₂ (g) + S₂ (g) , K_c =1.7 * 10^-7 at 800.0 $\degree$
C.If the initial concentration of H₂S in a closed container is 0.75 M, what is the approximate equilibrium concentration of H₂?

• A)0.37 M
• B)3.2 * 10^-3 M
• C)6.3 * 10^-3 M
• D)5.8 * 10^-3 M
• E)2.9 * 10^-3 M

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