AP Chemistry
7.7 Calculating Equilibrium Concentrations
7.4 Calculating the Equilibrium Constant
The decomposition of sulfur trioxide is represented by the following equation:
\[ 2\,\text{SO}_3(g) \rightleftharpoons 2\,\text{SO}_2(g) + \text{O}_2(g) \quad K_c = 8.0 \times 10^{-10} \text{ at } 600\text{ K} \]
A student places \(0.40\text{ mol}\) of \(\text{SO}_3(g)\) into an evacuated, rigid \(2.0\text{ L}\) container and allows the system to reach equilibrium at \(600\text{ K}\). Which of the following is closest to the equilibrium concentration of \(\text{SO}_2(g)\)?
\[ 2\,\text{SO}_3(g) \rightleftharpoons 2\,\text{SO}_2(g) + \text{O}_2(g) \quad K_c = 8.0 \times 10^{-10} \text{ at } 600\text{ K} \]
A student places \(0.40\text{ mol}\) of \(\text{SO}_3(g)\) into an evacuated, rigid \(2.0\text{ L}\) container and allows the system to reach equilibrium at \(600\text{ K}\). Which of the following is closest to the equilibrium concentration of \(\text{SO}_2(g)\)?
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