鐗╃悊鍖栧涓嬪唽绗簲鐗堝ぉ娲ュぇ瀛﹀嚭鐗堢ぞ绗竷绔犵數鍖栧涔犻绛旀
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?/p>
鍦ㄩ槾鏋佷笂鑳芥瀽鍑哄灏戣川閲忕殑
Cu?
锛?/p>
2
锛?/p>
鍦ㄧ殑
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
鍥犳锛?/p>
m
锛?/p>
Cu
锛?/p>
=
n
锛?/p>
Cu
锛?/p>
脳
M
锛?/p>
Cu
锛?/p>
= 9.326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?
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?/p>
鏈?/p>
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忎负
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?/p>
鐨勶級銆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>
(
Pb
2+
)=
n
鐢佃В鍓?/p>
(
Pb
2+
)+
n
鐢佃В
(
Pb
2+
)-
n
杩佺Щ
(
Pb
2+
)