7ond 發表於 10-4-2009 18:53:01

acid幾M先conc?

本帖最後由 7ond 於 10-4-2009 18:57 編輯

acid幾M先conc?
HCl. H2SO4, HNO3.
HNO3幾時very dilute幾時dilute幾時conc -.-?

順帶一問. 點解oil spillage on the sea唔可以用soap整走 ._.?
因為biodegradable所以favourable to micro-organisms -.-?

極樂'' 發表於 10-4-2009 19:08:46

我聽miss請...2m電解果時叫conc

〝黑之神〞 發表於 10-4-2009 19:25:02

acid幾M先conc?
HCl. H2SO4, HNO3.
HNO3幾時very dilute幾時dilute幾時conc -.-?

順帶一問. 點解oil spillage on the sea唔可以用soap整走 ._.?
因為biodegradable所以favourable to micro-organisms -.-? ...
7ond 發表於 10-4-2009 18:53 http://nakuz.com/bbs/images/common/back.gif
濃硫酸好似18M-.-
hcl 同 hno3 係濃我記得都16,17M...

稍唔知wo..好似上年咁 1M HNO3 加Zn 佢寫出棕色氣體

其實我都好想知幾時係稀,非常稀-.-

＊林、 發表於 10-4-2009 19:44:30

我都對呢個問題好混淆-.-

書又沒講...

ｚｅｒｏ仔 發表於 10-4-2009 19:49:23

佢會寫明....

yukating 發表於 10-4-2009 19:59:14

濃HCl 係 11M........

〝黑之神〞 發表於 10-4-2009 20:04:47

濃HCl 係 11M........
yukating 發表於 10-4-2009 19:59 http://nakuz.com/bbs/images/common/back.gif
原來係11M....我記錯了/_\
咁HNO3 呢?

7ond 發表於 10-4-2009 20:56:42

佢會寫明....
ｚｅｒｏ仔 發表於 10-4-2009 19:49 http://www.nakuz.com/bbs/images/common/back.gifyou sure -.-?

REQUIEM 發表於 10-4-2009 21:04:54

you sure -.-?
7ond 發表於 10-4-2009 20:56 http://www.nakuz.com/bbs/images/common/back.gif

會考試過淨係俾concentration而冇提佢係con.定dilute-.-

yukating 發表於 10-4-2009 22:02:35


原來係11M....我記錯了/_\
咁HNO3 呢?
〝黑之神〞 發表於 10-4-2009 20:04 http://www4.nakuz.com/bbs/images/common/back.gif
HNO3 你中左...我阿sir份notes 打左 16M...@@
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