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Clothing made of man-made fibers has certain
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ADADADADAD
溶液,溶质,密度
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Clothing made of man-made fibers has certain
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题目将a mol钠和a mol铝一同投入m g足量水中,所得溶液密度为d g·mL-1 , 该溶液中溶质质量分数为( )A .82a/(46a+m)%B .8200a/(46a+2m) %C .8200a/(46a+m)
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题目
将a mol钠和a mol铝一同投入m g足量水中,所得溶液密度为d g·mL-1 , 该溶液中溶质质量分数为( )
A .82a/(46a+m)%
B .8200a/(46a+2m) %
C .8200a/(46a+m)%
D .8200a/(69a+m) %
可圈可点用户
2021-05-20 04:21
优质解答
C
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