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

Question 9

Multiple Choice

Sodium carbonate, Na2CO3(s) , can be prepared by heating sodium bicarbonate, NaHCO3(s) as shown below. 2NaHCO3(s) Sodium carbonate, Na<sub>2</sub>CO<sub>3</sub>(s) , can be prepared by heating sodium bicarbonate, NaHCO<sub>3</sub>(s) as shown below. 2NaHCO<sub>3</sub>(s) <sub> </sub> 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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