Express the equilibrium constant for the following reaction. 4 Al(s) + 3 O2(g) ⇌ 2 Al2O3(s)单项选择题

A

K = [ 𝐴 𝑙 2 𝑂 3 ] 2 [ 𝑂 2 ] 3 [ 𝐴 𝑙 ] 4

B

K = 1 [ 3 𝑂 2 ] 3

C

K = 1 [ 𝑂 2 ] 3

D

K = [O2]3

E

K = [3O2]3

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