A 100 L Flask at 500 K Is Filled with 0

question 34

Multiple Choice

A 10.0 L flask at 500 K is filled with 0.30 mol of hydrogen and 0.30 mol of iodine. They react as indicated below. The equilibrium constant K_c  45.0. What are the equilibrium concentrations of the three gases? H₂(g)  I₂(g) 2HI(g)

• A)[H₂]  [I₂]  0.023 M, [HI]  0.046 M
• B)[H₂]  [I₂]  0.0069 M, [HI]  0.046 M
• C)[H₂]  [I₂]  [HI]  0.023 M
• D)[H₂]  [I₂]  0.0069 M, [HI]  0.023 M
• E)[H₂]  [I₂]  0.23 M, [HI]  0.46 M

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