# Consider the reaction of A to form B: 2A(g)⇌B(g)Kc=1.8×10−5 (at 298 K) A reaction mixture at...

###### Question:

Consider the reaction of A to form B: 2A(g)⇌B(g)Kc=1.8×10−5 (at 298 K) A reaction mixture at 298 K initially contains [A]=0.40 M .What is the concentration of B when the reaction reaches equilibrium?

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