配制0.1%苯扎溴铵4000ml,需用5%苯扎溴铵多少毫升

题库总管2019-12-17  8

问题 配制0.1%苯扎溴铵4000ml,需用5%苯扎溴铵多少毫升

选项 A.50B.60C.80D.90E.100

答案C

解析
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