計算酒精重量 - 酒精
By Jacob
at 2008-08-22T00:00
at 2008-08-22T00:00
Table of Contents
違反交通規則的飲酒量為0.05%(表示每100毫升血液中含有50毫克酒精)若以一個體重為60kg(血液佔70%,且假設血液的密度和水相同,即1 g/ml ) 喝了50ml 威士忌(酒精含量50%,密度為0.8 g/ml )後,每100毫升血液所含的酒精重量為何?
請各位大大幫忙一下=ˇ=
請各位大大幫忙一下=ˇ=
Tags:
酒精
All Comments
By Lily
at 2008-08-23T08:25
at 2008-08-23T08:25
體重為60000g70%1 g/ml =42000ml ---血液所佔的體積
50ml50%1 g/ml =20g=20000mg
20000mg:42000ml=xmg:100ml
x= 1000/21 mg = 47.62 mg (毫克)
即 每100毫升血液所含的酒精重量為 47.62 毫克
2008-08-22 22:36:12 補充:
奇怪,運算符號會自動消失...
體重為60000g×70%÷1 g/ml =42000ml ---血液所佔的體積
50ml×50%×1 g/ml =20g=20000mg -- 酒精重
20000mg:42000ml=xmg:100ml
x= 1000/21 mg = 47.62 mg (毫克)
即 每100毫升血液所含的酒精重量為 47.62 毫克
By Emma
at 2008-08-22T16:19
at 2008-08-22T16:19
2008-08-22 22:27:54 補充:
抱歉喔~我剛剛沒看到堤幕是酒精重量~ 25ML酒精˙0.8=20G 20/420=多少重量/100ML血液≒0.476% 跟樓上大大一樣@"@
By Andrew
at 2008-08-26T21:28
at 2008-08-26T21:28
5050%0.8 g/ml=20--酒精重
20:6070%1000=20:42000=1:2100--血液中的酒精比
1001/2100=0.0476
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