A-LevelChemistryEquilibria9701/12 · Oct/Nov 2023 · Q151 Mark
0.200 mol of sulfur dioxide and 0.200 mol of oxygen are placed in a 1.00 dm³ sealed container. The gases are allowed to react until equilibrium is reached. 2SO2 + O2 ⇌ 2SO3 At equilibrium there is 0.100 mol of SO3 in the container. What is the value of Kc?
A0.150 mol dm⁻³
B0.800 mol dm⁻³
C1.25 mol⁻¹ dm³
D6.67 mol⁻¹ dm³
✓ Correct answer
D: 6.67 mol⁻¹ dm³
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