標題:
發問:
http://img35.imageshack.us/img35/9273/chem03261.jpg 點解要乘800ppm(i.e. 8x10^(-4)m)??? 更新: 我still唔明點解要乘800ppm..
最佳解答:
The answer is as follows: 圖片參考：http://i320.photobucket.com/albums/nn347/old-master/090718_1.jpg?t=1247894301 http://i320.photobucket.com/albums/nn347/old-master/090718_1.jpg?t=1247894301
其他解答:
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chem pp題目一問發問:
http://img35.imageshack.us/img35/9273/chem03261.jpg 點解要乘800ppm(i.e. 8x10^(-4)m)??? 更新: 我still唔明點解要乘800ppm..
最佳解答:
The answer is as follows: 圖片參考：http://i320.photobucket.com/albums/nn347/old-master/090718_1.jpg?t=1247894301 http://i320.photobucket.com/albums/nn347/old-master/090718_1.jpg?t=1247894301
其他解答:
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