Q.In a $1 \text{ L}$ container, the reaction $A(g) \rightleftharpoons B(g) + C(g)$ has $K_c = 4$ . If the initial moles of $A$ is $1$ , what is the percentage of $A$ dissociated at equilibrium?

50\%

80\%

20\%

66.6\%

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Q.In a 1 L1 \text{ L}1 L container, the reaction A(g)⇌B(g)+C(g)A(g) \rightleftharpoons B(g) + C(g)A(g)⇌B(g)+C(g) has Kc=4K_c = 4Kc​=4. If the initial moles of AAA is 111, what is the percentage of AAA dissociated at equilibrium?