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【简答题】

用萘钠的四氢呋喃溶液为引发剂引发苯乙烯聚合。已知萘钠溶液的浓度为1.5mol/L,苯乙烯为300g。试计算若制备相对分子质量为30000的聚苯乙烯,需加多少毫升引发剂?

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参考答案:
举一反三

【单选题】Desperately short of living space and erously prone to flooding, the Netherlands plans to start building homes, businesses and even roads on water. With nearly a third of the country already cover...

A.
most parts of the country are covered by water
B.
the country is constantly threatened by floods
C.
it will promote the cultivation of flowers
D.
people think it better to live on water
相关题目:
【单选题】Desperately short of living space and erously prone to flooding, the Netherlands plans to start building homes, businesses and even roads on water. With nearly a third of the country already cover...
A.
most parts of the country are covered by water
B.
the country is constantly threatened by floods
C.
it will promote the cultivation of flowers
D.
people think it better to live on water
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