1
楂樹竴鍖栧閫変慨
4
绗笁绔犮�婇吀纰变腑鍜屾淮瀹氥�嬫祴璇曢
鍙兘鐢ㄥ埌鐨勭浉瀵瑰師瀛愯川閲忥細
H
C
N
O
Na
Mg
Al
Si
P
S
Cl
K
Ca
Mn
Fe
Cu
Ag
Ba
1
12
14
16
23
24
27
28
31
32
35.5
39
40
55
56
64
108
137
1.(2018路
鍏ㄥ浗鍗?/p>
II)K
3
[Fe(C
2
O
4
)
3
]路
3H
2
O(
涓夎崏閰稿悎閾侀吀閽?/p>
)
涓轰寒缁胯壊鏅朵綋锛?/p>
鍙敤浜庢檼鍒惰摑鍥?/p>
.
鍥炵瓟涓嬪垪闂锛?/p>
(1)
鏅掑埗钃濆浘鏃讹紝鐢?/p>
K
3
[Fe(C
2
O
4
)
3
]路
3H
2
O
浣滄劅鍏夊墏锛屼互
K
3
[Fe(CN)
6
]
婧舵恫涓烘樉鑹插墏
.
鍏跺厜瑙ｅ弽搴旂殑鍖栧鏂圭▼
寮忎负锛?/p>
2K
3
[Fe(C
2
O
4
)
3
]
2FeC
2
O
4
+3K
2
C
2
O
4
+2CO
2
鈫?/p>
锛涙樉鑹插弽搴旂殑鍖栧鏂圭▼寮忎负
_________________.
(2)
鏌愬皬缁勪负鎺㈢┒涓夎崏閰稿悎閾侀吀閽剧殑鐑垎瑙ｄ骇鐗╋紝鎸変笅鍥炬墍绀鸿缃繘琛屽疄楠?/p>
.
鈶犻�氬叆姘皵鐨勭洰鐨勬槸
________________________________________.
鈶″疄楠屼腑瑙傚療鍒拌缃?/p>
B
锛?/p>
F
涓緞娓呯煶鐏版按鍧囧彉娴戞祳锛岃缃?/p>
E
涓浐浣撳彉涓虹孩鑹诧紝鐢辨鍒ゆ柇鐑垎瑙ｄ骇鐗╀腑
涓�瀹氬惈鏈?/p>
___________
锛?/p>
___________.
鈶负闃叉鍊掑惛锛屽仠姝㈠疄楠屾椂搴旇繘琛岀殑鎿嶄綔鏄?/p>
_________________________________________.
鈶ｆ牱鍝佸畬鍏ㄥ垎瑙ｅ悗锛岃缃?/p>
A
涓殑娈嬬暀鐗╁惈鏈?/p>
FeO
鍜?/p>
Fe
2
O
3
锛屾楠?/p>
Fe
2
O
3
瀛樺湪鐨勬柟娉曟槸锛?/p>
_______________________________________________________________________________.
(3)
娴嬪畾涓夎崏閰稿悎閾侀吀閽句腑閾佺殑鍚噺
.
鈶犵О閲?/p>
m g
鏍峰搧浜庨敟褰㈢摱涓紝婧惰В鍚庡姞绋�
H
2
SO
4
閰稿寲锛岀敤
c mol路
L
-1
KMnO
4
婧舵恫婊村畾鑷崇粓鐐?/p>
.
婊村畾缁堢偣
鐨勭幇璞℃槸
___________________________.
鈶″悜涓婅堪婧舵恫涓姞鍏ヨ繃閲忛攲绮夎嚦鍙嶅簲瀹屽叏鍚庯紝杩囨护锛屾礂娑わ紝灏嗘护娑插強娲楁钉娑插叏閮ㄦ敹闆嗗埌閿ュ舰鐡朵腑
.
鍔?/p>
绋�
H
2
SO
4
閰稿寲锛?/p>
鐢?/p>
c mol路
L
-1
KMnO
4
婧舵恫婊村畾鑷崇粓鐐癸紝
娑堣�?/p>
KMnO
4
婧舵恫
V ml.
璇ユ櫠浣撲腑閾佺殑璐ㄩ噺鍒嗘暟鐨?/p>
琛ㄨ揪寮忎负
___________________________.
2.(2017路
鍏ㄥ浗鍗?/p>
II)
姘翠腑鐨勬憾瑙ｆ哀鏄按鐢熺敓鐗╃敓瀛樹笉鍙己灏戠殑鏉′欢
.
鏌愯澶栧皬缁勯噰鐢ㄧ閲忔硶娴嬪畾瀛︽牎鍛?/p>
杈规渤姘翠腑鐨勬憾瑙ｆ哀
.
瀹為獙姝ラ鍙婃祴瀹氬師鐞嗗涓嬶細
I.
鍙栨牱锛屾哀鐨勫浐瀹氾細鐢ㄦ憾瑙ｆ哀鐡堕噰闆嗘按鏍?/p>
.
璁板綍澶ф皵鍘嬪強姘翠綋娓╁害
.
灏嗘按鏍蜂笌
Mn(OH)
2
纰辨�ф偓娴婃恫
(
鍚湁
KI)
娣峰悎锛屽弽搴旂敓鎴?/p>
MnO(OH)
2
锛屽疄鐜版哀鐨勫浐瀹?/p>
.
II.
閰稿寲锛屾淮瀹氾細灏嗗浐姘у悗鐨勬按鏍烽吀鍖栵紝
MnO(OH)
2
琚?/p>
I
-
杩樺師涓?/p>
Mn
2+
锛屽湪鏆楀闈欑疆
5
min
锛岀劧鍚庣敤鏍囧噯
Na
2
S
2
O
3
婧舵恫婊村畾鐢熸垚鐨?/p>
I
2
(2S
2
O
2
锛?
3
+I
2
=2I
-
+S
4
O
2
锛?
6
).
鍥炵瓟涓嬪垪闂锛?/p>
(1)
鍙栨按鏍锋椂搴斿敖閲忛伩鍏嶆壈鍔ㄦ按浣撹〃闈紝杩欐牱鎿嶄綔鐨勪富瑕佺洰鐨勬槸
________________________________.
(2)鈥?/p>
姘х殑鍥哄畾
鈥?/p>
涓彂鐢熷弽搴旂殑鍖栧鏂圭▼寮忎负
______________________________________.
(3)Na
2
S
2
O
3
婧舵恫涓嶇ǔ瀹氾紝浣跨敤鍓嶉渶鏍囧畾
.
閰嶅埗璇ユ憾娑叉椂闇�瑕佺殑鐜荤拑浠櫒鏈夌儳鏉紝鐜荤拑妫掞紝璇曞墏鐡跺拰
________
锛涜捀棣忔按蹇呴』缁忚繃鐓哺锛屽喎鍗村悗鎵嶈兘浣跨敤锛屽叾鐩殑鏄潃鑿岋紝闄?/p>
________
鍙婁簩姘у寲纰?/p>
.
(4)
鍙?/p>
100.00 mL
姘存牱缁忓浐姘э紝閰稿寲鍚庯紝鐢?/p>
a mol路
L
-1
Na
2
S
2
O
3
婧舵恫婊村畾锛屼互娣�绮夋憾娑蹭綔鎸囩ず鍓傦紝缁堢偣鐜?/p>
璞′负
_______________
锛?/p>
鑻ユ秷鑰?/p>
Na
2
S
2
O
3
婧舵恫鐨勪綋绉负
b mL
锛?/p>
鍒欐按鏍蜂腑婧惰В姘х殑鍚噺涓?/p>
________ mg路
L
-1
.
(5)
涓婅堪婊村畾瀹屾垚鏃讹紝鑻ユ淮瀹氱灏栧槾澶勭暀鏈夋皵娉′細瀵艰嚧娴嬪畾缁撴灉鍋?/p>
________(
濉?/p>
鈥?/p>
楂?/p>
鈥?/p>
鎴?/p>
鈥?/p>
浣?/p>
鈥?.