绗簲绔?/p>
姘у寲杩樺師婊村畾娉曚範棰樺強瑙ｇ瓟
`
涓�銆佸悕璇嶈В閲?/p>
1
锛?/p>
.
姘у寲杩樺師婊村畾锛?/p>
2
锛?/p>
.
鐢垫瀬鐢典綅锛?/p>
3
锛?/p>
.
鏍囧噯鐢典綅锛?/p>
4.
鏉′欢鐢垫瀬鐢典綅锛?/p>
5
锛?/p>
.
璇卞鍙嶅簲锛?/p>
6
锛?/p>
鑷韩鎸囩ず鍓傦細
7
锛?/p>
.
鏄捐壊鎸囩ず鍓傦細
8
锛?/p>
.
楂橀敯閰搁捑娉曪細
9.
銆傞噸閾吀閽炬硶锛?/p>
10.
纰橀噺娉曪細
浜屻�?/p>
濉┖棰?/p>
1
锛?/p>
(1)
鐢?/p>
KMnO
4
婊村畾
Fe
2+
鏃?/p>
Cl
-
鐨勬哀鍖栬繕鍘熼�熺巼琚姞閫?/p>
_________
銆?/p>
(2) MnO
4
-
婊村畾
C
2
O
4
2-
鏃讹紝绾㈣壊鐨勬秷澶辩敱鎱㈠埌蹇?/p>
_________
銆?/p>
(3)Ag
+
瀛樺湪鏃讹紝
Mn
2+
琚?/p>
S
2
O
8
2-
姘у寲涓?/p>
MnO
4
-
_________
銆?/p>
A.
鍌寲鍙嶅簲
B.
鑷姩鍌寲鍙嶅簲
C.
鍓弽搴?/p>
D.
璇卞鍙嶅簲
2
銆佸悜
20.00mL0.1000mol/L
鐨?/p>
Ce
4+
婧舵恫鍒嗗埆鍔犲叆
15.00mL
鍙?/p>
25.00mL0.1000mol/L
鐨?/p>
Fe
2+
婧?/p>
娑诧紝骞宠 鏃讹紝浣撶郴鐨勭數浣嶅垎鍒负
_________
鍙?/p>
_________
銆傦紙
锛?
锛?/p>
3
銆侀厤鍒?/p>
I
2
鏍囧噯婧舵恫鏃讹紝蹇呴』鍔犲叆
KI
锛屽叾鐩殑鏄?/p>
___________________________
锛涗互
As
2
O
3
涓哄熀鍑嗙墿璐ㄦ爣瀹?/p>
I
2
婧舵恫鐨勬祿搴︽椂锛屾憾娑插簲鎺у埗鍦?/p>
pH
涓?/p>
_________
宸﹀彸銆?/p>
4
銆佺О鍙?/p>
K
2
Cr
2
O
7
鍩哄噯鐗╄川鏃讹紝鏈夊皯
K
2
Cr
2
O
7
閲忔拻鍦ㄥぉ骞崇洏涓婅�屾湭鍙戠幇锛屽垯閰嶅緱鐨勬爣鍑嗘憾娑茬湡瀹?/p>
娴撳害灏嗗亸
________
锛涚敤姝ゆ憾娑叉祴瀹氳瘯鏍蜂腑
Fe
鐨勫惈閲忔椂锛屽皢寮曡捣
_________
璇樊锛堝～姝ｆ垨璐燂級锛?/p>
鐢ㄥ畠鏍囧畾
Na
2
S
2
O
3
婧舵恫锛屽垯鎵�寰楁祿搴﹀皢浼氬亸
________
锛涗互姝?/p>
Na
2
S
2
O
3
婧舵恫娴嬪畾璇曟牱涓?/p>
Cu
鍚噺
鏃讹紝灏嗗紩璧?/p>
_______
璇樊锛堟鎴栬礋锛夈�?/p>
5
銆佸凡鐭ュ湪
1mol/LHCl
浠嬭川涓?
锛屽垯涓嬪垪婊村畾鍙嶅簲锛?
2Fe
3+
Sn
2+
=2Fe
2+
+Sn
4+
骞宠 甯告暟涓?/p>
_________
锛涘寲瀛﹁閲忕偣鐢典綅涓?/p>
_________
锛涘弽搴旇繘琛岀殑瀹?
鍏ㄧ▼搴?/p>
c(Fe2+)
锛?/p>
c(Fe
3+
)
涓?/p>
________
銆?/p>
6
銆?/p>
宸茬煡鍦?/p>
1mol/LHCl
浠嬭川涓?
锛?/p>
锛?/p>
鍒欎互
Fe
3+
婊村畾
Sn
2+
鑷?/p>
99.9%
鏃剁殑骞宠 鐢典綅涓?/p>
_________
锛涘寲瀛﹁閲忕偣鐢典綅涓?/p>
_________
锛涙淮瀹氳嚦
100.1%
鏃剁殑骞宠
鐢典綅涓?/p>
_________
锛涜閲忕偣鍓嶅悗鐢典綅鏀瑰彉涓嶅绉版槸鐢变簬
___________________________
銆?/p>