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
[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]欲用95%乙醇和蒸馏水配制70%乙醇1000ml,所取95%乙醇体积约为( )。A.500mlB.665mlC.700mlD.737mlE.889m
[单选题]用95%和20%的乙醇制备60%乙醇150ml,需20%乙醇多少ml()A .55mlB .60mlC .65mlD .70mlE .75ml
[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
[单选题]100mL啤酒含乙醇( )。A.3mLB.5mLC.7mLD.9mLE.1lmL