Calculate the equilibrium constant Kc for the reaction A + B ⇄ C if the initial concentrations of A and B were both 1 M, and the equilibrium concentration of C is 0.5 M.
- 2
- 4
- 1
- 0.5
📝 Detailed explanation
Equilibrium concentrations: [C] = 0.5 M.[A] = 1 - 0.5 = 0.5 M.
[B] = 1 - 0.5 = 0.5 M.
Kc = [C] / ([A] * [B]) = 0.5 / (0.5 * 0.5) = 0.5 / 0.25 = 2.