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Sodium Carbonate,Na2CO3(s),may Be Prepared by Heating Sodium Bicarbonate,NaHCO3(s)

Question 68

Multiple Choice

Sodium carbonate,Na2CO3(s) ,may be prepared by heating sodium bicarbonate,NaHCO3(s) . 2NaHCO3(s) Sodium carbonate,Na<sub>2</sub>CO<sub>3</sub>(s) ,may be prepared by heating sodium bicarbonate,NaHCO<sub>3</sub>(s) . 2NaHCO<sub>3</sub>(s) Na<sub>2</sub>CO<sub>3</sub>(s) + CO<sub>2</sub>(g) + H<sub>2</sub>O(g) K<sub>P</sub> = 0.23 at 100ºC If a sample of NaHCO<sub>3</sub> is placed in an evacuated flask and allowed to achieve equilibrium at 100ºC,what will the total gas pressure be? A) 0.46 atm B) 0.96 atm C) 0.23 atm D) 0.48 atm E) 0.11 atm Na2CO3(s) + CO2(g) + H2O(g) KP = 0.23 at 100ºC
If a sample of NaHCO3 is placed in an evacuated flask and allowed to achieve equilibrium at 100ºC,what will the total gas pressure be?


A) 0.46 atm
B) 0.96 atm
C) 0.23 atm
D) 0.48 atm
E) 0.11 atm

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