Question
Asked Jan 21, 2020
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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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Expert Answer

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.

Chemistry homework question answer, step 2, image 1
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Step 3

Calculate the initial concentration of A-

Initial moles of...

Chemistry homework question answer, step 3, image 1
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Equilibrium Concepts

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