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Solid ammonium carbonate dissociates acc...

Solid ammonium carbonate dissociates according to the reaction
`NH_2COONH_4(s) iff 2NH_3 (g) + CO_2(g)`
At 298 K, the total pressure of the gases in equilibrium with the solid is 0.116 atm. Calculate `K_p`.

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`2.31 xx 10^(-4) atm^3`
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