16. Consider the decomposition equation of a compound: C5H6O3(g)⇌C2H6(g) + 3CO(g). When a 5.63-g sample of pure C5H6O3(g) was sealed into an otherwise empty 2.50-L flask and heated to 200℃, the pressure in the flask gradually rose to 1.63 atm and remained at that value. The K value for this reaction is _____ .
(A)60f51afe84f5a.jpg
(B)60f51b0a72197.jpg
(C)60f51b1358a15.jpg
(D)60f51b1c02cd6.jpg
(E)60f51b248c9d9.jpg

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統計： A(2), B(1), C(0), D(1), E(2) #2739641