作者yushenliu (Yyushenliu)
看板TransBioChem
標題[化學] 普化題目
時間Sat Aug 30 10:04:34 2008
A sample of LSD(D-lysergic acid diethylamide. C24H30N3O)is diluted with sugar.
C12H22O11. When a 1.00mg sample is burned. 2.00mg of CO2 is formed.
What is the percentage of LSD in the sample?
跪求解題人 >"<....
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→ dysphagia:C24H30N3O + O2 ----> CO2 + H2O + NOx 09/02 02:02
→ dysphagia:You don't need to worry about the H2O or NOx the Q's 09/02 02:04
→ dysphagia:so,the LSD's mole is o.oo187,0.00187x376=0.705 09/02 02:16
→ dysphagia:0.705/1 x100= 70.5% 09/02 02:17