簡單國中理化的運算問題 - 酒精
By Christine
at 2013-03-27T00:00
at 2013-03-27T00:00
Table of Contents
題型:小愛到賣場看見一瓶紅酒標示,註明所含酒精的百分比濃度是8%,總容量1200毫升,則該瓶紅酒還有酒精多少毫升?解析:酒精的體積=8%*1200mL=96mL但我知道的是體積百分濃度=溶質的體積/溶液的體積*100%所以這部份是公式調換嗎?好像很難背,這要去背嗎?請理化高手說明~敬謝。
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酒精
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By Eartha
at 2013-03-31T23:18
at 2013-03-31T23:18
By Thomas
at 2013-03-27T05:13
at 2013-03-27T05:13
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