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Consider the heterogeneous equilibrium ...

Consider the heterogeneous equilibrium
`CaCO_(3) hArr CaO(s)+CO_(2)(s), K_(p)=4xx10^(2) atm …(i)`
`C(s)+CO_(2)(g) hArr 2CO(g), K'_(p)=2 atm …(ii)`
Calculate the partial pressure of `CO(g)` when `CaCO_(3)` and `C` are mixed and allowed to attain equilibrium at the temperature for which the above two equilibria have been studied.

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0.788,0.212
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