Chemistry 9701 · AS & A Level · Equilibria

Equilibria — practice question

For the reaction $\text{H}_2\text{(g)} + \text{I}_2\text{(g)} \rightleftharpoons 2\text{HI(g)}$, the equilibrium constant, $K_c$, is $60$ at $450\,^\circ\text{C}$. How many moles of hydrogen iodide are present at equilibrium with $2$ mol of hydrogen and $0.3$ mol of iodine at $450\,^\circ\text{C}$?

  • A$\frac{1}{100}$
  • B$\frac{1}{10}$
  • C$6$
  • D$36$

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