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【单选题】
MnO4 与 Fe2+反应的平衡常数( )。已知 φ θ(MnO4-/Mn2+)=1.51V,φθ(Fe3+/Fe2+)=0.77VA.
3.4×10^12
B.
320
C.
3.0×10^62
D.
4.2×10^53
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A.
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B.
我从来没去过那个地方。
C.
你把你的钱藏在了什么地方？
D.
我们已经挑中了一个理想的地方去度假。
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