现有95%的乙醇500ml,预配成70%的,需加入灭菌蒸馏水()A、 159mlB、 169mlC、 179mlD、 189ml

现有95%的乙醇500ml,预配成70%的,需加入灭菌蒸馏水()

A、 159ml

B、 169ml

C、 179ml

D、 189ml


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