250m注射液含有葡萄糖12.5g,其葡萄糖浓度是( )A.10% B.0.1 C.1% D.0.9% E.5%

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问题 250m注射液含有葡萄糖12.5g,其葡萄糖浓度是( )

选项 A.10%
B.0.1
C.1%
D.0.9%
E.5%

答案E

解析重量比体积百分浓度[%(g / ml)] = 溶质重量(g)/溶液体积(ml)×100%。12.5/250×100%=5%
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