When 20 g of CaCO 3 is put into a 10 L flask and heated to 80 0 ∘ C , 35% of CaCO 3 remains undissociated at equilibrium. Calculate the value of K p .

Question

When 20 g of CaCO 3 ​ is put into a 10 L flask and heated to 80 0 ∘ C , 35% of CaCO 3 ​ remains undissociated at equilibrium. Calculate the value of K p ​ .

TestHub · Accepted Answer

C a C o 3 ​ ( s ) ⇌ C a O ( s ) + C O 2 ​ moles (initial): 0.2 moles (equilib.): 0.2 ( 1 − 0.65 ) 0.2 × 0.65 0.2 × 0.65 K c ​ = 10 0.2 ​ × 0.65 K p ​ = K c ​ ( R × 1073 ) = 1.145 a t m

Chemistry - Chemical Equilibrium Question with Solution | TestHub

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