高一化學第一章 - 酒精
By Skylar DavisLinda
at 2013-10-05T00:00
at 2013-10-05T00:00
Table of Contents
1.將碘分子25.4克溶於59.6克的溶液中,所形成溶液的比重約為0.85,而純酒精之比重約為0.8,則下列何者正確?(A)混合意含有碘分子0.1莫耳(B)共得到碘的酒精溶液85毫升(C)碘的酒精溶液體積莫耳濃度為1M2.25度C,1atm下,某混合氣體100ml的質量為同體積氮氣重之0.5倍,則此混合氣體可能為下列何種組合?A.He和Cl2
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酒精
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By Tracy
at 2013-10-06T01:35
at 2013-10-06T01:35
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