If the equilibrium constant for the reaction,$H_{2(g)} + I_{2(g)} \rightleftharpoons 2 HI_{(g)}$ is $K$,what is the equilibrium constant of $HI_{(g)} \rightleftharpoons \frac{1}{2} H_{2(g)} + \frac{1}{2} I_{2(g)}$?
- A$\frac{1}{K}$
- B$\sqrt{K}$
- C$K$
- D$\frac{1}{\sqrt{K}}$
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