At 550 K, the Kc for the following reaction is 104 mol–1 L. X(g) + Y(g) Z(g) At equilibrium, it was — AITS & Test Series Chemistry Question

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At 550 K, the Kc for the following reaction is 104 mol–1 L. X(g) + Y(g) Z(g) At equilibrium, it was observed that [X] = ] Z [ 2 1 ] Y [ 2 1  What is the value of [Z] at equilibrium? (A) 2 × 10–4 mol L–1. (B) 10–4 mol L–1. (C) 2 × 104 mol L–1. (D) 104 mol L–1.