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【单选题】
用0.02000mol×L-1的EDTA溶液滴定含有0.1000gZnSO4(M=161.4g×/mol)试样溶液时，耗去25.00mL，则试样中ZnSO4的含量为()A.
99.00%
B.
80.70%
C.
40.35%
D.
8.07%
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A.
服药宜空腹服,温开水送下
B.
服药后轻微腹痛是正常现象
C.
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D.
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E.
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A.
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B.
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C.
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【简答题】1. A)
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