作者AppleAmily (dying innocence)
看板Chemistry
標題Re: [問題]請教關於分析化學小問題二
時間Thu Nov 10 08:58:04 2005
作業還是自己作比較好吧......@_@
而且這是trivial freshman chemistry來的....
加油啦，別混了....
※ 引述《xenium (我們去吃飯好不好)》之銘言：
: 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
: 有勞了(_ _)
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