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4.4 grams of CO(2) are introduced into a...

4.4 grams of `CO_(2)` are introduced into a 0.82 L flask containing excess solid carbon at `627^(circ)C`, so that the equilibrium:
The density of equilibrium gaseous mixture corresponds to an average molecular weight of 36.
`K_(p)=P_(CO)^(2)/P_(CO_2)and K_(C)([CO]^(2))/([CO_(2)])`
`[R=0.082"Lt-atm/mol-K",C=12,0=16]`
If in the problem,where actually 1.2g of solid carbon is present initially, how many total moles of `CO_(2)` would have to be inroduced initiallly so that at equilibrium only a trace of carbon remained?

A

`0.25`

B

`0.7`

C

`0.6`

D

`0.4`

Text Solution

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The correct Answer is:
B
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