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【简答题】
在1 mol·L-1 H2SO4介质中用Ce4+滴定Fe2+，滴定突跃范围是 。[已知Eθ’(Fe3+/Fe2+)= 0.68 V，Eθ’(Ce4+/Ce3+）= 1.44 V]
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【单选题】给狗以药理剂量的醛固酮,其血压、体重与血浆钾水平将发生哪种反应( )。
A.
血压升高、体重减轻、血浆K+升高
B.
血压升高、体重增加、血浆K+降低
C.
血压升高、体重减轻、血浆K+降低
D.
血压降低、体重增加、血浆K+降低
E.
血压降低、体重降低、血浆K+升高
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