Calculate the concentrations at the equilibrium of the species A, B and C for the following reaction: A ⇌ B + C ,    knowing that the initial concentrations are [A]0 0.81 M, and  [B]0 = [C]0 = 0 M and the equilibriumconstant, Kc , is 3.71e-5

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Chapter1: Chemical Foundations
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Calculate the concentrations at the equilibrium of the species A, B and C for the following reaction:

A ⇌ B + C ,    knowing that the initial concentrations are

[A]0 0.81 M, and  [B]0 = [C]0 = 0 M

and the equilibriumconstant, Kc , is 3.71e-5

[A]eq    Correct!!!! 8.045e-1 M

[B]eq  =  [C]eq    try again

 

I need help with answering the [B]eq = [C]eq

I don't understand what I'm doing wrong

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