A . 正确
B . 错误
[单选题]配制75%乙醇溶液100mL,需95%乙醇( )。A.97mLB.80mLC.65mLD.79mLE.60mL
5 、配制 75% 乙醇溶液 100ml ,需 95% 乙醇A. 97mlB. 80mlC. 65mlD. 79mlE. 60ml
[题目]用95%的乙醇配制75%的乙醇100ML,应-|||-取95%的乙醇多少ML?-|||-请作出详细的计算方法
[单选题]75%乙醇配制方法为每100ml95%乙醇加水ml()A .17.5mlB .20.2mlC .26.7mlD .33.3ml
[单选题]若需用70%乙醇1000ml,现有95%乙醇,应取多少量的95%乙醇进行配制( )。A.536.8mlB.636.8mlC.836.8mlD.736.8mlE.568.6ml
[单选题,A2型题,A1/A2型题] 100mL啤酒含乙醇()。A . 3mLB . 5mLC . 7mLD . 9mLE . 11mL
[单选题]100ml啤酒含乙醇()。A.3mlB.5mlC.7mlD.9mlE.11ml
[单选题]100mL啤酒含乙醇( )。A.3mLB.5mLC.7mLD.9mLE.1lmL
[单选题]100mL啤酒含乙醇( )。A.3mLB.5mLC.7mLD.9mLE.1lmL
[单选题]100mL啤酒含乙醇( )。A.3mLB.5mLC.7mLD.9mLE.1lmL