13.4 Exercise 23

A student solved the following problem and found the equilibrium concentrations to be [SO₂] = 0.590 M, [O₂] = 0.0450 M, and [SO₃] = 0.260 M. How could this student check the work without reworking the problem? The problem was: For the following reaction at 600 °C:

$2 \text{SO}_{2} \left(g\right) + \text{O}_{2} \left(g\right) \rightleftharpoons 2 \text{SO}_{3} \left(g\right) K_{c} = 4.32$