配制75%乙醇溶液100ml,需95%乙醇
A.97ml
B.80ml
C.65ml
D.79ml
E.60ml
配制75%乙醇溶液500ml,需用多少95%乙醇A.325mlB.355mlC.395mlD.425mlE.455ml
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需配制75%消毒乙醇100ml,需取95%乙醇约A、60mlB、69mlC、70mlD、75mlE、79ml
配制75%乙醇溶液100mi,需96%乙醇A.97mlB.80miC.65mlD.79mlE.60ml
配制75%乙醇溶液100ml,需95%乙醇A.60mlB.75mlC.80mlD.79mlE.85ml
配制75%乙醇溶液100mL,需95%乙醇( )。A.97mL B.80mL C.65mL D.79mL E.60mL
需配制75%消毒乙醇100ml,需取95%乙醇约A.60ml B.79ml C.69ml D.70ml E.75ml
配制75%乙醇溶液100ml,需95%乙醇A.60ml B.75ml C.80ml D.79ml E.85ml