For A + B <=> C at equilibrium, [A] = 0.2, [B] = 0.3 and [C] = 0.6 mol/dm^3. Find Kc.
Answer and explanation
Correct answer: B. 10
- Step 1: Kc = [C] / ([A][B]) for this reaction.
- Step 2: Kc = 0.6 / (0.2 x 0.3) = 10.
Answer
10.
Why not the others: '0.1' inverts the equilibrium expression; '0.04' multiplies all three concentrations; '1.2' adds the reactant concentrations.
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