Problem: Consider the following reaction. A (aq) ⇌ 3B (aq)      Kc = 2.78 x 10-6 at 500 K If a 4.50 M sample of A is heated to 500 K, what is the concentration of B at equilibrium?

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Consider the following reaction. 

A (aq) ⇌ 3B (aq)      Kc = 2.78 x 10-6 at 500 K 

If a 4.50 M sample of A is heated to 500 K, what is the concentration of B at equilibrium?

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