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【判断题】

H2C2O4的第一步、第二步离解常数分别为Ka1=5.6×10-2,Ka2=5.1×10-5,因此不能分步滴定。

A.
正确
B.
错误
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参考答案:
参考解析:
.
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A.
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B.
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C.
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D.
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A.
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A.
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B.
软体动物门
C.
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D.
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