CrO ion moves to +ve electrod;
Cu ion moves to -ve electrode.
the colourless solution around +ve ele ...
-終場ソ使者- 發表於 20-10-2010 18:55 http://www1.nakuz.com/bbs/images/common/back.gif
咁姐係gel同acid有乜用- -
咁姐係gel同acid有乜用- -
john456 發表於 20-10-2010 19:46 http://www4.nakuz.com/bbs/images/common/back.gif
H2SO4 is to allow current flow, I had explained you-.-
gel is used to "box" the ions of Cu2+, and Cr2O72-
HSO is to allow current flow, I had explained you-.-
gel is used to "box" the ions of Cu, and CrO
-終場ソ使者- 發表於 20-10-2010 19:59 http://www1.nakuz.com/bbs/images/common/back.gif
姐係點box- -?
有冇中文囧
姐係點box- -?
有冇中文囧
john456 發表於 20-10-2010 20:04 http://www4.nakuz.com/bbs/images/common/back.gif
d acid係俾電過 而d gel係困住d copper(II)同dichromate
唔俾佢地周圍散晒
d acid係俾電過 而d gel係困住d copper(II)同dichromate
唔俾佢地周圍散晒
小朋友你好 發表於 20-10-2010 20:20 http://www1.nakuz.com/bbs/images/common/back.gif
咁我聽日問下啊sir
睇下岩唔岩先- -
咁我聽日問下啊sir
睇下岩唔岩先- -
john456 發表於 20-10-2010 20:33 http://www4.nakuz.com/bbs/images/common/back.gif
我覺得最大用途都係睇得清楚
因為你啡色點observe到result....
而且molten state的ion都通到電 洗乜要加d acid
我覺得最大用途都係睇得清楚
因為你啡色點observe到result....
而且molten state的ion都通到電 洗乜要加d...
小朋友你好 發表於 20-10-2010 20:50 http://www1.nakuz.com/bbs/images/common/back.gif
佢話
唔關易唔易d觀察既問題....