1997# 34
explain why the answer is B
圖片參考：http://i271.photobucket.com/albums/jj157/kimkim0513/ScreenHunter_01Mar251937.jpg
http://i271.photobucket.com/albums/jj157/kimkim0513/ScreenHunter_01Mar251937.jpg
CE mc about atoms
2008-03-26 3:39 am
回答 (2)
2008-03-26 9:02 am
✔ 最佳答案
2 is correct because the question indicates that the molar mass of sulphur atom is twice that of oxygen atom. Thus, 2 g of sulphur and 1 g of oxygen each contain the same no of atoms.1 is incorrect because sulphur is solid.
molar volumes are different, cannot times 24!!!
2008-03-26 6:10 am
你幅圖del左嗎？我睇唔到
收錄日期: 2021-05-01 15:59:33
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080325000051KK03032