For A ⇌ 2B with [A]₀ = 1.0 M and [B]₀ = 0, the equilibrium expressions are
- Acheck_circle
[A] = 1.0 − x; [B] = 2x
- B
[A] = 1.0; [B] = x
- C
[A] = 1.0 − 2x; [B] = x
- D
[A] = 1.0 + x; [B] = 2x
Explanation
Stoichiometry: A loses x, B gains 2x.
Calculating Equilibrium Concentrations
AP Chemistry· difficulty 3/5
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