word
鏂囨。
鍙嚜鐢卞鍒剁紪杈?/p>
绗竷绔?/p>
鐢靛寲瀛?/p>
7.1
鐢ㄩ搨鐢垫瀬鐢佃В
CuCl
2
婧舵恫銆傞�氳繃鐨勭數娴佷负
20A
锛岀粡杩?/p>
15min
鍚庯紝闂細锛?/p>
1
锛夊湪闃存瀬涓婅兘鏋愬嚭澶氬皯璐?/p>
閲忕殑
Cu?
锛?/p>
2
锛夊湪鐨?/p>
27鈩冿紝
100kPa
涓嬮槼鏋佷笂鑳芥瀽鍑哄灏戜綋绉殑鐨?/p>
Cl
2
锛?/p>
g
锛夛紵
瑙ｏ細鐢垫瀬鍙嶅簲涓猴細闃存瀬锛?/p>
Cu
2+
+ 2e
-
鈫?nbsp;Cu 闃虫瀬锛?/p>
2Cl
-
锛?/p>
2e
-
鈫?nbsp;Cl
2
锛?/p>
g
锛?/p>
鍒欙細
z= 2
鏍规嵁锛?/p>
Q
=
nzF
=
It
飥?/p>
飥?/p>
2
20
15
Cu
9.326
10
mol
2
96500
It
n
zF
飥?/p>
飩?/p>
飥?
飥?/p>
飥?/p>
飩?/p>
飩?/p>
鍥犳锛?/p>
m
锛?/p>
Cu
锛?/p>
=
n
锛?/p>
Cu
锛壝?nbsp;
M
锛?/p>
Cu
锛?/p>
= 9.32
6脳10
-2
脳63.546 =5.927g
鍙堝洜涓猴細
n
锛?/p>
Cu
锛?/p>
=
n
锛?/p>
Cl
2
锛?/p>
pV
锛?/p>
Cl
2
锛?/p>
=
n
锛?/p>
Cl
2
锛?/p>
RT
鍥犳锛?/p>
3
2
2
3
Cl
0.09326
8.314
300
Cl
2.326dm
100
10
n
RT
V
p
飩?/p>
飩?/p>
飥?
飥?/p>
飥?/p>
飩?/p>
锛?/p>
锛?/p>
锛?/p>
锛?/p>
7.2
鐢?/p>
Pb
锛?/p>
s
锛夌數鏋佺數瑙?/p>
PbNO
3
婧舵恫銆傚凡鐭ユ憾娑叉祿搴︿负
1g
姘翠腑鍚湁
PbNO
3
1.66脳10
-2
g
銆傞�氱數涓�瀹氭椂闂村悗锛屾祴寰椾笌鐢佃В姹犱覆鑱旂殑閾跺簱浠戣涓湁
0.1658g
鐨勯摱娌夌Н銆傞槼鏋佸尯鐨勬憾娑茶川閲?/p>
涓?/p>
62.50g
锛屽叾涓惈鏈?/p>
PbNO
3
1.151g
锛岃绠?/p>
Pb
2+
鐨勮縼绉绘暟銆?/p>
瑙ｆ硶
1
锛氳В璇ョ被闂涓昏渚濇嵁鐢垫瀬鍖虹殑鐗╂枡瀹堟亽锛堟憾娑叉槸鐢典腑鎬х殑锛夈�傛樉鐒堕槼鏋佸尯婧舵恫涓?/p>
Pb
2+
鐨勬�婚噺
鐨勬敼鍙樺涓嬶細
n
鐢佃В鍚?/p>
(
1
2
Pb
2+
)=
n
鐢佃В鍓?/p>
(
1
2
Pb
2+
)+
n
鐢佃В
(
1
2
Pb
2+
)-
n
杩佺Щ
(
1
2
Pb
2+
)
鍒欙細
n
杩佺Щ
(
1
2
Pb
2+
)=
n
鐢佃В鍓?/p>
(
1
2
Pb
2+
)+
n
鐢佃В
(
1
2
Pb
2+
)-
n
鐢佃В鍚?/p>
(
1
2
Pb
2+
)
n
鐢佃В
(
1
2
Pb
2+
)=
n
鐢佃В
(Ag) =
飥?/p>
飥?/p>
飥?/p>
飥?/p>
3
Ag
0.1658
1.537
10
mol
Ag
107.9
m
M
飥?/p>
飥?/p>
飥?/p>
飩?/p>
2
2
3
1
62.50
1
.151
1
.66
10
(
Pb
)
6.150
10
mol
1
2
331.2
2
n
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飩?/p>
飩?/p>
飥?/p>
飥?/p>
飩?/p>
飩?/p>
瑙ｅ墠
锛?/p>
锛?/p>
鐢?/p>
2
3
1
1
.151
(
Pb
)
6.950
10
mol
1
2
331.2
2
n
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飩?/p>
飩?/p>
瑙ｅ悗
鐢?/p>
n
杩佺Щ
(
1
2
Pb
2+
)=6.150
脳10
-3
+1.53
7脳10
-3
-6.950
脳10
-3
=7.358
脳10
-4
mol
飥?/p>
飥?
2
4
2
3
2
1
Pb
7.358
10
2
Pb
0.479
1
1.537
10
(
Pb
)
2
n
t
n
飥?
飥?/p>
飥?
飥?/p>
飥?/p>
飩?/p>
飥?/p>
飥?/p>
飩?/p>
绉?/p>
瑙?/p>
锛?/p>
锛?/p>
=
杩?/p>
鐢?/p>
瑙ｆ硶
2
锛氳В璇ョ被闂涓昏渚濇嵁鐢垫瀬鍖虹殑鐗╂枡瀹堟亽锛堟憾娑叉槸鐢典腑鎬х殑锛夈�傛樉鐒堕槼鏋佸尯婧舵恫涓?/p>
3
NO
飥?
鐨勬�?/p>
閲忕殑鏀瑰彉濡備笅锛?/p>