1000K時,CaCO3(s)⇌CaO(s)+CO2(g),Kp=4atm,在0.82升密閉容器中置入5.6克CaO(s),則通入CO2(g)重量為下列何時,器內壓力可達成平衡壓力?
(A)1.1g (B) 2.2g (C)4.4g (D)6.6g (E)17.6g Ans:(B)(C)