Originally posted by 胖胖鸭 at 2005-7-4 22:58:
不是更浓了吗?
Originally posted by 腼腆暴力男 at 2005-7-4 10:02 PM:
这种问题太简单,我觉得另有玄机
Originally posted by girl at 2005-7-4 23:05:
真的没有玄机!德国人就是这么搞!我现在就要15ml终溶液!
原溶液应该移多少到15ml稀释液里去!
Originally posted by girl at 2005-7-4 22:08:
:D这个是我算的结果!德国人给的结果是64ul还问我今天我怎么了...cry2.gif
Originally posted by 偷猫吃的鱼 at 2005-7-4 10:07 PM:
1*10^5cell*15ml/9*10^6=0,167ml原溶液
再加15ml-0,167ml=14,833ml H2o
没算错吧?~~~dozingoff.
Originally posted by 胖胖鸭 at 2005-7-4 22:11:
水的体积是不能算出来的,稀释溶液要用容量瓶,取好原溶液后,其余体积用水加满~
Originally posted by girl at 2005-7-4 22:19:
这个是代教我们试验的德国人算出来的!全班都跟着他配!我说错了他反问我一句你今天怎么了!我真的晕了!确实昨天没睡好给他这么一折腾我真的晕了!
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