單項選擇題

在下列平衡表達式K1、K2、K3的關(guān)系是:()
N2(g)+3H2(g)==2NH3(g)K1
1/2N2(g)+3/2H2(g)==NH3(g)K2
1/3N2(g)+H2(g)==1/2NH3(g)K3

A.K1=K2=K3
B.K1=2K2=3K3
C.K1=2K2=K3
D.K1=K22=K33


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