Practice question
Question
For 2A(g) + B(g) <=> 2C(g) , if Kc = 16 and [A] = 0.2 M , [B] = 0.1 M at equilibrium, what is [C] ?
Explanation
Kc = ([C]²/[A]²[B]) = ([C]²/(0.2)²(0.1)) = 16 , [C]² = 16 × 0.004 = 0.064 , [C] = 0.8 M .
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