题目内容
一定条件下,在反应2SO2 (g) +O2(g)
2SO3(g)平衡体系中： n (SO2) =2.0 mol/L , n(O2) = 0.8 mol/L, n (SO3)=2.4 mol/L ,则 SO2 的起始浓度的范围为
2021-09-17
A.0.4～2.0 mol/L
B.0.4～4.4 mol/L
C.0～4 mol/L
D.无法确定
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