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When calculating equilibrium constant with partial pressures if there is a solid involved should we consider it in the total number of moles in mole fraction?

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    $\begingroup$ The phrase 'number of moles' is incorrect, it should be 'amount of substance'. $\endgroup$ – Martin - マーチン Nov 10 '19 at 22:32
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The answer is No ! Solid have no vapor pressures. And if they still have, this pressure is a constant at the equilibrium conditions. So it does not change between the beginning and the end of the reaction. So it is included in the equilibrium constant.

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    $\begingroup$ This answer is wrong. You should look up sublimation. $\endgroup$ – Martin - マーチン Nov 10 '19 at 22:31

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