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When 20g of CaCO3 is put into a 11.45...

When 20g of `CaCO_3` is put into a 11.45L flask and heated to `800^@C` , 35% of `CaCO_3` remains undissociated at equilibrium. Calculate the value of `K_p`.

A

1.145 atm

B

1.231 atm

C

2.146 atm

D

3.145 atm

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The correct Answer is:
B
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