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下列纯化合物不是常用基准物质的是( )
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下列纯化合物不是常用基准物质的是( )
A、NaCl
B、K2CrO7
C、CaCl2
D、Na2CO3
时间：2021-09-02 00:19
关键词：
青书学堂
遵义医科大学
药学
分析化学
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C
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下列纯化合物不是常用基准物质的是( )
Rent， economic（or pure economic rent） 经济租或纯经济租
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9下列纯化合物不是常用基准物质的是( )
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