chemistry will somebody please help!!

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What is the Kc for the following reaction at equilibrium at 800∘C if [CO2]= 0.030M ?
CaCO3(s)⇌CaO(s)+CO2(g)

  • chemistry will somebody please help!! -

    Solids don't count in equilibrium equations for K (technically they are 1.0), therefore,
    Kc = (CO2) = 0.0300

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