作者xenium (我们去吃饭好不好)
看板Chemistry
标题[问题]请教关於分析化学小问题二
时间Wed Nov 9 00:56:41 2005
averge human blood serum 18 mg of K+ & 365mg of Cl- per 100ml
Calculate
(a)the molar concentration for each of these species;use 1.00 g/ml for the
density of serum
(b)pK and pCl for human serum
describe the preparation of
(a)500 ml of 4.75%( w/v ) aqueous ethanol ( C2H5OH, 46.1 g/mol )
(b)500 g of 4.75% ( w/w ) aqueous ethanol
(c)500 ml of 4.75% ( v/v ) aqueous ethanol
有劳了(_ _)
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