70%酒精怎麼調啊? - 酒精
By Puput
at 2005-12-25T00:00
at 2005-12-25T00:00
Table of Contents
我家有酒精濃95%的藥用酒精,要怎樣調成70%呢?
因為聽說70%酒精殺菌效果最好ㄟ...
Update:
謝謝你們...
因為聽說70%酒精殺菌效果最好ㄟ...
Update:
謝謝你們...
Tags:
酒精
All Comments
By Catherine
at 2005-12-26T11:47
at 2005-12-26T11:47
今天要配成90%,500ml的殺菌酒精
95:75=500:x
x=395
500-395=105
所以90%,500ml的酒精加上105ml的水
就是70%的殺菌酒精
By Emily
at 2005-12-26T17:59
at 2005-12-26T17:59
其實有算式可以算
不過其實就是大概95%酒精:水約是4:1
例如要調成500ml 75% 酒精
正確的是395ml的95%酒精加105ml的水
不過大概就是4:1沒錯
By John
at 2005-12-26T22:33
at 2005-12-26T22:33
去藥局買比較實在...
By Olivia
at 2005-12-29T00:36
at 2005-12-29T00:36
95%的500ml,配成75%: 95x500=75x?, ?=633
95%的500ml要等於75%的633ml,所以要加133ml的蒸餾水
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