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2 NaHCO3(s) D Na2CO3(s) + CO2(g) + H2O(g) Kp = 0.23 (100oC)

Na2CO3(s) (sodium carbonate) can be prepared by heating NaHCO3(s) (sodium bicarbonate). If a sample of NaHCO3 is placed in an evacuated flask and allowed to achieve equilibrium with the products which are formed at 100ºC, what will the total gas pressure be?

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