Le Chatelier's Principle for Del N Greater Than Zero
1 mole CaCO...
Question
1 mole CaCO3(s) is heated in 11.2 lit vessel so that equilibrium is establihed at 819K. If Kp for COCO3⇌CaO+CO2 at this temperature is 2 atm, equilibrium concentration of CO2 (in mol-lit−1)
A
13
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B
111.2
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C
133.6
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D
122.4
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Solution
The correct option is C133.6
CaCO3⇌CaO+CO2
Kp=2
V=11.2L
T=819K
Δng=1Kp=Kc(RT)ΔngKc=KpRT=20.0821×819=0.029
Now kc=[CO2]
Therefore, the equillibrium concentration of CO2133.6L