Medium
Equilibrium constant $(K_c)$ of $2HI_{(g)} \rightleftharpoons H_{2_{(g)}} + I_{2_{(g)}}$ is $5 \times 10^{3}$. What is the equilibrium concentration of $HI$,if equilibrium concentrations of $H_{2_{(g)}}$ and $I_{2_{(g)}}$ respectively are $2.2 \times 10^{-2} \ M$ and $2.2 \times 10^{-4} \ M$?
- A$1.11 \times 10^{-5} \ M$
- B$2.22 \times 10^{-5} \ M$
- C$3.11 \times 10^{-5} \ M$
- D$6.66 \times 10^{-5} \ M$
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