# The equilibrium system 2A  2B + C has a very small equilibrium constant: K = 2.6 × 10–6.Initially 3.0 moles of A are placed in a 1.5-L flask. Determine the concentration of C at equilibrium. a0.024 M b0.011 M c2.0 M d0.048 M e0.032 M

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The equilibrium system 2A  2B + C has a very small equilibrium constant: K = 2.6 × 10–6.
Initially 3.0 moles of A are placed in a 1.5-L flask. Determine the concentration of C at equilibrium.
 a 0.024 M b 0.011 M c 2.0 M d 0.048 M e 0.032 M

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Step 1

The equilibrium system 2A 2B + C has a very small equilibrium constant: K = 2.6 × 10–6.
Initially 3.0 moles of A are placed in a 1.5-L flask. Determine the concentration of C at equilibrium.

Step 2

Kc  is the equilibrium constant that is equal to the ratio of product and reactant concentrations at equilibrium.

Step 3

Calculate the initial concentration of A-

Initial moles of...

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### Equilibrium Concepts 