化學問題

john456

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

咁姐係gel同acid有乜用- -

-終場ソ使者-

咁姐係gel同acid有乜用- -
john456 發表於 20-10-2010 19:46

H₂SO₄ is to allow current flow, I had explained you-.-
gel is used to "box" the ions of Cu²⁺, and Cr₂O₇^2-

john456

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

姐係點box- -?
有冇中文囧

小朋友你好

姐係點box- -?
有冇中文囧
john456 發表於 20-10-2010 20:04

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

john456

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

咁我聽日問下啊sir
睇下岩唔岩先- -

小朋友你好

咁我聽日問下啊sir
睇下岩唔岩先- -
john456 發表於 20-10-2010 20:33

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

john456

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

佢話
唔關易唔易d觀察既問題....