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Consider the reaction carried out at con...

Consider the reaction carried out at constant volume :
`2SO_2(g)+O_2(g) hArr 2SO_3(g)`
For initial concentrations of `SO_2` and `O_2` of 2.0 M and 1.5 M, respectively, the equilibrium `O_2` concentrations is 0.80 M. What is the value of `K_c` for this reactions ?

A

6.8

B

2.9

C

0.34

D

0.15

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A
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