现有95%的乙醇500ML 要配置70%的乙醇需要无菌蒸馏水多少谢谢了,
问题描述:
现有95%的乙醇500ML 要配置70%的乙醇需要无菌蒸馏水多少谢谢了,
答
500x95%/500+x =70% X=178.6ml
现有95%的乙醇500ML 要配置70%的乙醇需要无菌蒸馏水多少谢谢了,
500x95%/500+x =70% X=178.6ml