酒精這樣稀釋出來是幾%呢??? - 酒精Tristan Cohan · 2011-07-28Table of ContentsPostCommentsRelated Posts我用400c.c的酒精原液+130c.c的蒸餾水...這樣稀釋出來是幾%呢?酒精All CommentsLydia2011-08-01我用400c.c的酒精原液+130c.c的蒸餾水...這樣稀釋出來是幾%呢?答 酒精原液為95%故400c.c的酒精要乘0.95再除全部溶液(溶劑加溶質)( 400*0.95)/(400+130)=71.69%Odelette2011-07-29市面上的酒精原液要乘95%也就是乘0.9575.47%乘0.95=71.69%Skylar Davis2011-07-31400+130=530400/530530/100=5.3400/5.3=75.47175%左右Related Posts懂保養品的水水們看一下...急~~~長期沒更換耳環!!!!!!!酒精燒錄dvd5iso檔Zolpi若定用藥指示疑問酒精120(22點UP)
· 2011-07-28 · 2011-07-28 · 2011-07-28 · 2011-07-28
All Comments
這樣稀釋出來是幾%呢?
答 酒精原液為95%故400c.c的酒精要乘0.95
再除全部溶液(溶劑加溶質)
( 400*0.95)/(400+130)=71.69%
75.47%乘0.95=71.69%
400/530
530/100=5.3
400/5.3=75.471
75%左右