At a definite temperature

CHEMISTRY · Single correct · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)

Problem

At a definite temperature, the equilibrium constant for the reaction

A+B\rightleftharpoons2C

81

. Starting with

1

mole each of

A

and

B

, the mole fraction of

C

at equilibrium is (1)

\frac{9}{11}

(2)

\frac{1}{11}

(3)

\frac{2}{11}

(4)

\frac{7}{11}

Related theory

Chemical Equilibrium
Equilibrium
Law of Mass Action
Equilibrium constant calculations
Equilibrium Constant

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